What is "mahmudullah"

Mohammad Mahmudullah Riyad (born 4 February 1986 in Mymensingh, Dhaka), commonly known as Mahmadallah, is a Bangladeshi cricketer. He has played First-class and List A cricket for Dhaka Division and has represented Bangladesh 'A' in all forms of the game. An all-rounder, he is a lower or middle-order batsman as well as an off spin bowler. He is the first Bangladeshi to score a World Cup hundred.