Alright, let's work through 4258 times 405 step by step
4258 × 405 = 405 × (4258)
+ 405 × 8 yielding 3240
+ 405 × 50 that equals 20250
+ 405 × 200 that is equal 81000
+ 405 × 4000 what gives us 1620000

= 1724490
