256258048 has 26 divisors (see below), whose sum is σ = 512461724. Its totient is φ = 128126976.

The previous prime is 256258039. The next prime is 256258061. The reversal of 256258048 is 840852652.

It is a self number, because there is not a number n which added to its sum of digits gives 256258048.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27186 + ... + 35377.

Almost surely, 2^256258048 is an apocalyptic number.

It is an amenable number.

256258048 is a deficient number, since it is larger than the sum of its proper divisors (256203676).

256258048 is an frugal number, since it uses more digits than its factorization.

256258048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62587 (or 62565 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 256258048 is about 16008.0619688955. The cubic root of 256258048 is about 635.1736958443.

The spelling of 256258048 in words is "two hundred fifty-six million, two hundred fifty-eight thousand, forty-eight".