256630000024 has 64 divisors (see below), whose sum is σ = 508229729280. Its totient is φ = 121247280000.

The previous prime is 256630000021. The next prime is 256630000043. The reversal of 256630000024 is 420000036652.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 256629999947 and 256630000001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256630000021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5003389 + ... + 5054419.

It is an arithmetic number, because the mean of its divisors is an integer number (7941089520).

Almost surely, 2^256630000024 is an apocalyptic number.

It is an amenable number.

256630000024 is a deficient number, since it is larger than the sum of its proper divisors (251599729256).

256630000024 is a wasteful number, since it uses less digits than its factorization.

256630000024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51392 (or 51388 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 256630000024 its reverse (420000036652), we get a palindrome (676630036676).

The spelling of 256630000024 in words is "two hundred fifty-six billion, six hundred thirty million, twenty-four", and thus it is an aban number.