Here are some very interesting information about Antonov 225:
Crew: 6
Length: 84 m (275 ft 7 in)
Wingspan: 88.4 m (290 ft 0 in)
Height: 18.1 m (59 ft 5 in)
Wing area: 905 m2 (9,740 sq ft)
Aspect ratio: 8.6
Empty weight: 285,000 kg (628,317 lb)
Max takeoff weight: 640,000 kg (1,410,958 lb)
Fuel capacity: more than 300,000 kg (661,000) lbs
Maximum speed: 850 km/h (528 mph; 459 kn)