256837452 has 48 divisors (see below), whose sum is σ = 616640640. Its totient is φ = 83155968.

The previous prime is 256837439. The next prime is 256837457. The reversal of 256837452 is 254738652.

It is not an unprimeable number, because it can be changed into a prime (256837457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98299 + ... + 100877.

It is an arithmetic number, because the mean of its divisors is an integer number (12846680).

Almost surely, 2^256837452 is an apocalyptic number.

It is an amenable number.

256837452 is an abundant number, since it is smaller than the sum of its proper divisors (359803188).

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

256837452 is a wasteful number, since it uses less digits than its factorization.

256837452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822 (or 2820 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 256837452 is about 16026.1490071695. The cubic root of 256837452 is about 635.6520485082.

The spelling of 256837452 in words is "two hundred fifty-six million, eight hundred thirty-seven thousand, four hundred fifty-two".