4564440656 has 40 divisors (see below), whose sum is σ = 9013780224. Its totient is φ = 2238514560.

The previous prime is 4564440649. The next prime is 4564440677. The reversal of 4564440656 is 6560444654.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 351821 + ... + 364563.

Almost surely, 2^4564440656 is an apocalyptic number.

It is an amenable number.

4564440656 is a deficient number, since it is larger than the sum of its proper divisors (4449339568).

4564440656 is a wasteful number, since it uses less digits than its factorization.

4564440656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13179 (or 13173 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The square root of 4564440656 is about 67560.6442834880. The cubic root of 4564440656 is about 1658.8069833212.

The spelling of 4564440656 in words is "four billion, five hundred sixty-four million, four hundred forty thousand, six hundred fifty-six".