256034331252 has 36 divisors (see below), whose sum is σ = 739654735456. Its totient is φ = 73152666000.

The previous prime is 256034331233. The next prime is 256034331313. The reversal of 256034331252 is 252133430652.

256034331252 is a `hidden beast` number, since 2 + 5 + 60 + 343 + 3 + 1 + 252 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 508004374 + ... + 508004877.

Almost surely, 2^256034331252 is an apocalyptic number.

It is an amenable number.

256034331252 is an abundant number, since it is smaller than the sum of its proper divisors (483620404204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256034331252 is a wasteful number, since it uses less digits than its factorization.

256034331252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016009268 (or 1016009263 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 256034331252 in words is "two hundred fifty-six billion, thirty-four million, three hundred thirty-one thousand, two hundred fifty-two".