475428478 has 24 divisors (see below), whose sum is σ = 840088800. Its totient is φ = 201172608.

The previous prime is 475428433. The next prime is 475428491. The reversal of 475428478 is 874824574.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22963 + ... + 38446.

It is an arithmetic number, because the mean of its divisors is an integer number (35003700).

Almost surely, 2^475428478 is an apocalyptic number.

475428478 is a deficient number, since it is larger than the sum of its proper divisors (364660322).

475428478 is a wasteful number, since it uses less digits than its factorization.

475428478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61504 (or 61497 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 49.

The square root of 475428478 is about 21804.3224613837. The cubic root of 475428478 is about 780.4799139529.

The spelling of 475428478 in words is "four hundred seventy-five million, four hundred twenty-eight thousand, four hundred seventy-eight".