475145406 has 16 divisors (see below), whose sum is σ = 1055878800. Its totient is φ = 158381784.

The previous prime is 475145381. The next prime is 475145423. The reversal of 475145406 is 604541574.

475145406 is a `hidden beast` number, since 475 + 145 + 40 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4399441 + ... + 4399548.

It is an arithmetic number, because the mean of its divisors is an integer number (65992425).

Almost surely, 2^475145406 is an apocalyptic number.

475145406 is an abundant number, since it is smaller than the sum of its proper divisors (580733394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

475145406 is a wasteful number, since it uses less digits than its factorization.

475145406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8799000 (or 8798994 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 475145406 is about 21797.8303048721. The cubic root of 475145406 is about 780.3249829220.

The spelling of 475145406 in words is "four hundred seventy-five million, one hundred forty-five thousand, four hundred six".