Alright, let's work through 6406629 times 49659087 step by step
6406629 × 49659087 = 49659087 × (6406629)
+ 49659087 × 9 that equals 446931783
+ 49659087 × 20 that is equal 993181740
+ 49659087 × 600 which equals 29795452200
+ 49659087 × 6000 which equals 297954522000
+ 49659087 × 00000 that equals 0
+ 49659087 × 400000 yielding 19863634800000
+ 49659087 × 6000000 producing 297954522000000

= 318147346887723
