256628949826652 has 12 divisors (see below), whose sum is σ = 483646866981096. Its totient is φ = 118444130689200.

The previous prime is 256628949826651. The next prime is 256628949826709.

256628949826652 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256628949826651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2467586055974 + ... + 2467586056077.

It is an arithmetic number, because the mean of its divisors is an integer number (40303905581758).

Almost surely, 2^{256628949826652} is an apocalyptic number.

It is an amenable number.

256628949826652 is a deficient number, since it is larger than the sum of its proper divisors (227017917154444).

256628949826652 is a wasteful number, since it uses less digits than its factorization.

256628949826652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935172112068 (or 4935172112066 counting only the distinct ones).

The product of its digits is 10749542400, while the sum is 80.

The spelling of 256628949826652 in words is "two hundred fifty-six trillion, six hundred twenty-eight billion, nine hundred forty-nine million, eight hundred twenty-six thousand, six hundred fifty-two".