475646656 has 14 divisors (see below), whose sum is σ = 943861460. Its totient is φ = 237823296.

The previous prime is 475646653. The next prime is 475646663. The reversal of 475646656 is 656646574.

It is not an unprimeable number, because it can be changed into a prime (475646651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3715926 + ... + 3716053.

Almost surely, 2^475646656 is an apocalyptic number.

It is an amenable number.

475646656 is a deficient number, since it is larger than the sum of its proper divisors (468214804).

475646656 is an equidigital number, since it uses as much as digits as its factorization.

475646656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7431991 (or 7431981 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 49.

The square root of 475646656 is about 21809.3249780914. The cubic root of 475646656 is about 780.5992852239.

The spelling of 475646656 in words is "four hundred seventy-five million, six hundred forty-six thousand, six hundred fifty-six".