256626652 has 12 divisors (see below), whose sum is σ = 449335936. Its totient is φ = 128244960.

The previous prime is 256626647. The next prime is 256626653.

256626652 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256626653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8124 + ... + 24067.

Almost surely, 2^256626652 is an apocalyptic number.

It is an amenable number.

256626652 is a deficient number, since it is larger than the sum of its proper divisors (192709284).

256626652 is a wasteful number, since it uses less digits than its factorization.

256626652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34188 (or 34186 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 256626652 is about 16019.5709056142. The cubic root of 256626652 is about 635.4780965572.

The spelling of 256626652 in words is "two hundred fifty-six million, six hundred twenty-six thousand, six hundred fifty-two".