Alright, let's work through 28944027 times 52072631 step by step
28944027 × 52072631 = 52072631 × (28944027)
+ 52072631 × 7 what gives us 364508417
+ 52072631 × 20 that results in 1041452620
+ 52072631 × 000 yielding 0
+ 52072631 × 4000 resulting in 208290524000
+ 52072631 × 40000 that results in 2082905240000
+ 52072631 × 900000 yielding 46865367900000
+ 52072631 × 8000000 resulting in 416581048000000
+ 52072631 × 20000000 resulting in 1041452620000000

= 1507191637625037
