255634975804 has 24 divisors (see below), whose sum is σ = 481919615408. Its totient is φ = 117949616640.

The previous prime is 255634975801. The next prime is 255634975861. The reversal of 255634975804 is 408579436552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255634975801) 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, 571317 + ... + 915244.

Almost surely, 2^255634975804 is an apocalyptic number.

It is an amenable number.

255634975804 is a deficient number, since it is larger than the sum of its proper divisors (226284639604).

255634975804 is a wasteful number, since it uses less digits than its factorization.

255634975804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489885 (or 1489883 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 58.

The spelling of 255634975804 in words is "two hundred fifty-five billion, six hundred thirty-four million, nine hundred seventy-five thousand, eight hundred four".