Antonov An990 Best 'link' -

Theoretically constructed from Graphene to handle its gargantuan proportions.

By placing the wings at the top of the fuselage, the design ensures maximum interior cargo volume and protects the engines from swallowing foreign object debris (FOD) on rough airfields. 2. Unrivaled Specifications: The Ultimate Cargo Beast

: The actual world record holder for the heaviest aircraft. It was unique, powered by six engines, and capable of carrying 250 tons of cargo before its destruction in 2022.

Based on your request, there appears to be a slight typo in the aircraft designation. There is no widely recognized in aviation history.