255866492 has 24 divisors (see below), whose sum is σ = 512082144. Its totient is φ = 109582272.

The previous prime is 255866477. The next prime is 255866497. The reversal of 255866492 is 294668552.

It is a happy number.

255866492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255866497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64058 + ... + 67934.

It is an arithmetic number, because the mean of its divisors is an integer number (21336756).

Almost surely, 2^255866492 is an apocalyptic number.

It is an amenable number.

255866492 is an abundant number, since it is smaller than the sum of its proper divisors (256215652).

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

255866492 is a wasteful number, since it uses less digits than its factorization.

255866492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6245 (or 6243 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 47.

The square root of 255866492 is about 15995.8273309010. The cubic root of 255866492 is about 634.8500209998.

The spelling of 255866492 in words is "two hundred fifty-five million, eight hundred sixty-six thousand, four hundred ninety-two".