256336452 has 36 divisors (see below), whose sum is σ = 670307820. Its totient is φ = 82498752.

The previous prime is 256336441. The next prime is 256336501. The reversal of 256336452 is 254633652.

256336452 is a `hidden beast` number, since 2 + 5 + 6 + 3 + 3 + 645 + 2 = 666.

256336452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 112911876 + 143424576 = 10626^2 + 11976^2 .

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121723 + ... + 123810.

Almost surely, 2^256336452 is an apocalyptic number.

It is an amenable number.

256336452 is an abundant number, since it is smaller than the sum of its proper divisors (413971368).

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

256336452 is a wasteful number, since it uses less digits than its factorization.

256336452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245572 (or 245567 counting only the distinct ones).

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

The square root of 256336452 is about 16010.5106726800. The cubic root of 256336452 is about 635.2384678983.

The spelling of 256336452 in words is "two hundred fifty-six million, three hundred thirty-six thousand, four hundred fifty-two".