256730952 has 48 divisors (see below), whose sum is σ = 651374640. Its totient is φ = 84310432.

The previous prime is 256730927. The next prime is 256730963. The reversal of 256730952 is 259037652.

It is a self number, because there is not a number n which added to its sum of digits gives 256730952.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 714949 + ... + 715307.

It is an arithmetic number, because the mean of its divisors is an integer number (13570305).

Almost surely, 2^256730952 is an apocalyptic number.

It is an amenable number.

256730952 is an abundant number, since it is smaller than the sum of its proper divisors (394643688).

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

256730952 is an equidigital number, since it uses as much as digits as its factorization.

256730952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 256730952 is about 16022.8259679746. The cubic root of 256730952 is about 635.5641767150.

The spelling of 256730952 in words is "two hundred fifty-six million, seven hundred thirty thousand, nine hundred fifty-two".