Grand Megahugetrixul

The Grand Megahugetrixul is equal to ((...((200![200(1)200(1)200(1)200])![200(1)200(1)200(1)200])...)![200(1)200(1)200(1)200])![200(1)200(1)200(1)200] ( where there are Megahugetrixul parentheses ), using Hyperfactorial array notation.