256526625652 has 24 divisors (see below), whose sum is σ = 490863707712. Its totient is φ = 116333712000.

The previous prime is 256526625637. The next prime is 256526625661.

256526625652 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 256526625652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6713224 + ... + 6751327.

It is an arithmetic number, because the mean of its divisors is an integer number (20452654488).

Almost surely, 2^256526625652 is an apocalyptic number.

256526625652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

256526625652 is a deficient number, since it is larger than the sum of its proper divisors (234337082060).

256526625652 is a wasteful number, since it uses less digits than its factorization.

256526625652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13464999 (or 13464997 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 52.

The spelling of 256526625652 in words is "two hundred fifty-six billion, five hundred twenty-six million, six hundred twenty-five thousand, six hundred fifty-two".