256888652 has 48 divisors (see below), whose sum is σ = 472131072. Its totient is φ = 122212800.

The previous prime is 256888637. The next prime is 256888673.

256888652 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 256888652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1575923 + ... + 1576085.

It is an arithmetic number, because the mean of its divisors is an integer number (9836064).

Almost surely, 2^256888652 is an apocalyptic number.

It is an amenable number.

256888652 is a deficient number, since it is larger than the sum of its proper divisors (215242420).

256888652 is a wasteful number, since it uses less digits than its factorization.

256888652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 396 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 50.

The square root of 256888652 is about 16027.7463169343. The cubic root of 256888652 is about 635.6942843299.

The spelling of 256888652 in words is "two hundred fifty-six million, eight hundred eighty-eight thousand, six hundred fifty-two".