255435834904 has 8 divisors (see below), whose sum is σ = 478942190460. Its totient is φ = 127717917448.

The previous prime is 255435834889. The next prime is 255435834923. The reversal of 255435834904 is 409438534552.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15964739674 + ... + 15964739689.

Almost surely, 2^255435834904 is an apocalyptic number.

It is an amenable number.

255435834904 is a deficient number, since it is larger than the sum of its proper divisors (223506355556).

255435834904 is a wasteful number, since it uses less digits than its factorization.

255435834904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31929479369 (or 31929479365 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 255435834904 in words is "two hundred fifty-five billion, four hundred thirty-five million, eight hundred thirty-four thousand, nine hundred four".