2315456656 has 10 divisors (see below), whose sum is σ = 4486197302. Its totient is φ = 1157728320.

The previous prime is 2315456629. The next prime is 2315456659. The reversal of 2315456656 is 6566545132.

It can be written as a sum of positive squares in only one way, i.e., 2312071056 + 3385600 = 48084^2 + 1840^2 .

It is a super-2 number, since 2×2315456656² = 10722679051629404672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2315456659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72358005 + ... + 72358036.

Almost surely, 2^2315456656 is an apocalyptic number.

It is an amenable number.

2315456656 is a deficient number, since it is larger than the sum of its proper divisors (2170740646).

2315456656 is a wasteful number, since it uses less digits than its factorization.

2315456656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144716049 (or 144716043 counting only the distinct ones).

The product of its digits is 648000, while the sum is 43.

The square root of 2315456656 is about 48119.1921794205. The cubic root of 2315456656 is about 1322.9564617998.

The spelling of 2315456656 in words is "two billion, three hundred fifteen million, four hundred fifty-six thousand, six hundred fifty-six".