Index: src/wp-includes/class-wp-user-query.php
===================================================================
--- src/wp-includes/class-wp-user-query.php	(revision 41336)
+++ src/wp-includes/class-wp-user-query.php	(working copy)
@@ -40,6 +40,14 @@
 	 */
 	private $total_users = 0;
 
+        /**
+         * The number of pages.
+         *
+         * @since 4.9.0
+         * @var int
+         */
+        public $max_num_pages = 0;
+
 	/**
 	 * Metadata query container.
 	 *
@@ -608,6 +616,10 @@
 		if ( isset( $qv['count_total'] ) && $qv['count_total'] )
 			$this->total_users = (int) $wpdb->get_var( apply_filters( 'found_users_query', 'SELECT FOUND_ROWS()' ) );
 
+                if( $this->total_users && isset( $qv['number'] ) && $qv['number'] > 0 ) {
+                        $this->max_num_pages = ceil( $this->total_users / $qv['number'] );
+                }
+
 		if ( !$this->results )
 			return;
 
Index: tests/phpunit/tests/user/query.php
===================================================================
--- tests/phpunit/tests/user/query.php	(revision 41336)
+++ tests/phpunit/tests/user/query.php	(working copy)
@@ -1434,4 +1434,47 @@
 		/* must not include user that has same string in other fields */
 		$this->assertEquals( array(), $ids );
 	}
+
+	/**
+	 * @ticket 41797
+	 */
+	public function test_max_num_pages() {
+
+		$q = new WP_User_Query( array(
+			'role'		=> 'author',
+			'number'	=> 3,
+		) );
+
+		$this->assertEquals( 4, $q->get_total() );
+		$this->assertEquals( 2, $q->max_num_pages );
+	}
+
+	/**
+	 * @ticket 41797
+	 */
+	public function test_max_num_pages_should_be_zero_for_count_total_false_and_number_positive() {
+
+		$q = new WP_User_Query( array(
+			'count_total' 	=> false,
+			'number' 	=> 1,
+	
+		) );
+
+		$this->assertEquals( 0, $q->max_num_pages );
+	}
+
+	/**
+	 * @ticket 41797
+	 */
+	public function test_max_num_pages_should_be_zero_for_count_total_true_and_no_number_set() {
+
+		$q = new WP_User_Query( array(
+			'count_total'	=> true,
+		) );
+
+		$this->assertEquals( 0, $q->max_num_pages );
+	}
+
+
+
 }