Alright, let's work through 52244278 times 72487006 step by step
52244278 × 72487006 = 72487006 × (52244278)
+ 72487006 × 8 that is equal 579896048
+ 72487006 × 70 resulting in 5074090420
+ 72487006 × 200 yielding 14497401200
+ 72487006 × 4000 resulting in 289948024000
+ 72487006 × 40000 that equals 2899480240000
+ 72487006 × 200000 which equals 14497401200000
+ 72487006 × 2000000 that equals 144974012000000
+ 72487006 × 50000000 yielding 3624350300000000

= 3787031292851668
