255810894 has 16 divisors (see below), whose sum is σ = 511833168. Its totient is φ = 85235072.

The previous prime is 255810857. The next prime is 255810937. The reversal of 255810894 is 498018552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10024 + ... + 24740.

It is an arithmetic number, because the mean of its divisors is an integer number (31989573).

Almost surely, 2^255810894 is an apocalyptic number.

255810894 is an abundant number, since it is smaller than the sum of its proper divisors (256022274).

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

255810894 is a wasteful number, since it uses less digits than its factorization.

255810894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17619.

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 255810894 is about 15994.0893457552. The cubic root of 255810894 is about 634.8040348449.

The spelling of 255810894 in words is "two hundred fifty-five million, eight hundred ten thousand, eight hundred ninety-four".