475398564 has 12 divisors (see below), whose sum is σ = 1109263344. Its totient is φ = 158466184.

The previous prime is 475398529. The next prime is 475398587. The reversal of 475398564 is 465893574.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19808262 + ... + 19808285.

It is an arithmetic number, because the mean of its divisors is an integer number (92438612).

Almost surely, 2^475398564 is an apocalyptic number.

It is an amenable number.

475398564 is an abundant number, since it is smaller than the sum of its proper divisors (633864780).

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

475398564 is a wasteful number, since it uses less digits than its factorization.

475398564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39616554 (or 39616552 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 51.

The square root of 475398564 is about 21803.6364856874. The cubic root of 475398564 is about 780.4635443221.

The spelling of 475398564 in words is "four hundred seventy-five million, three hundred ninety-eight thousand, five hundred sixty-four".