255290492 has 12 divisors (see below), whose sum is σ = 446901336. Its totient is φ = 127604400.

The previous prime is 255290473. The next prime is 255290507. The reversal of 255290492 is 294092552.

255290492 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7118 + ... + 23690.

It is an arithmetic number, because the mean of its divisors is an integer number (37241778).

Almost surely, 2^255290492 is an apocalyptic number.

It is an amenable number.

255290492 is a deficient number, since it is larger than the sum of its proper divisors (191610844).

255290492 is a wasteful number, since it uses less digits than its factorization.

255290492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20428 (or 20426 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 255290492 is about 15977.8124910765. The cubic root of 255290492 is about 634.3732771176.

The spelling of 255290492 in words is "two hundred fifty-five million, two hundred ninety thousand, four hundred ninety-two".