Alright, let's work through 44264890 times 64457993 step by step
44264890 × 64457993 = 64457993 × (44264890)
+ 64457993 × 0 resulting in 0
+ 64457993 × 90 that is equal 5801219370
+ 64457993 × 800 resulting in 51566394400
+ 64457993 × 4000 that is equal 257831972000
+ 64457993 × 60000 which equals 3867479580000
+ 64457993 × 200000 giving us 12891598600000
+ 64457993 × 4000000 resulting in 257831972000000
+ 64457993 × 40000000 yielding 2578319720000000

= 2853225969765770
