What is the longest an heaviest aircraft ever built?

Airbus A380
1379
Antonov An-225 Mriya
2871
Boeing 747
326
Antonov An-124 Ruslan
896
The Antonov An-225 Mriya is a strategic airlift cargo aircraft that was designed by the Antonov Design Bureau in the the Soviet Union during the 80's. It is powered by six turbofan engines and is the longest and heaviest aircraft ever built, with a maximum takeoff weight of 640 tonnes.
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