Alright, let's work through 51490808 times 19504959 step by step
51490808 × 19504959 = 19504959 × (51490808)
+ 19504959 × 8 that is equal 156039672
+ 19504959 × 00 that results in 0
+ 19504959 × 800 that equals 15603967200
+ 19504959 × 0000 producing 0
+ 19504959 × 90000 what gives us 1755446310000
+ 19504959 × 400000 that results in 7801983600000
+ 19504959 × 1000000 giving us 19504959000000
+ 19504959 × 50000000 which equals 975247950000000

= 1004326098916872
