255790256 has 20 divisors (see below), whose sum is σ = 498194304. Its totient is φ = 127224000.

The previous prime is 255790253. The next prime is 255790259. The reversal of 255790256 is 652097552.

It is an interprime number because it is at equal distance from previous prime (255790253) and next prime (255790259).

It is not an unprimeable number, because it can be changed into a prime (255790253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38795 + ... + 44906.

Almost surely, 2^255790256 is an apocalyptic number.

It is an amenable number.

255790256 is a deficient number, since it is larger than the sum of its proper divisors (242404048).

255790256 is a wasteful number, since it uses less digits than its factorization.

255790256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83900 (or 83894 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 255790256 is about 15993.4441569038. Note that the first 3 decimals coincide. The cubic root of 255790256 is about 634.7869630700.

The spelling of 255790256 in words is "two hundred fifty-five million, seven hundred ninety thousand, two hundred fifty-six".