No problem, we've got 45390904 and 28191544 to multiply
45390904 × 28191544 = 28191544 × (45390904)
+ 28191544 × 4 giving us 112766176
+ 28191544 × 00 which equals 0
+ 28191544 × 900 producing 25372389600
+ 28191544 × 0000 yielding 0
+ 28191544 × 90000 that equals 2537238960000
+ 28191544 × 300000 which equals 8457463200000
+ 28191544 × 5000000 producing 140957720000000
+ 28191544 × 40000000 yielding 1127661760000000

= 1279639667315776
