Alright, let's work through 447970 times 42053424 step by step
447970 × 42053424 = 42053424 × (447970)
+ 42053424 × 0 that is equal 0
+ 42053424 × 70 that results in 2943739680
+ 42053424 × 900 that is equal 37848081600
+ 42053424 × 7000 yielding 294373968000
+ 42053424 × 40000 yielding 1682136960000
+ 42053424 × 400000 resulting in 16821369600000

= 18838672349280
