268644056 has 16 divisors (see below), whose sum is σ = 503906400. Its totient is φ = 134269024.

The previous prime is 268644043. The next prime is 268644067. The reversal of 268644056 is 650446862.

It is a super-2 number, since 2×268644056² = 144339257648262272, which contains 22 as substring.

It is a congruent number.

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, 22385 + ... + 32223.

It is an arithmetic number, because the mean of its divisors is an integer number (31494150).

Almost surely, 2^268644056 is an apocalyptic number.

It is an amenable number.

268644056 is a deficient number, since it is larger than the sum of its proper divisors (235262344).

268644056 is a wasteful number, since it uses less digits than its factorization.

268644056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13258 (or 13254 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 268644056 is about 16390.3647305360. The cubic root of 268644056 is about 645.2466304393.

The spelling of 268644056 in words is "two hundred sixty-eight million, six hundred forty-four thousand, fifty-six".