655500404 has 24 divisors (see below), whose sum is σ = 1246922208. Its totient is φ = 299708640.

The previous prime is 655500389. The next prime is 655500413. The reversal of 655500404 is 404005556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53342 + ... + 64469.

It is an arithmetic number, because the mean of its divisors is an integer number (51955092).

Almost surely, 2^655500404 is an apocalyptic number.

It is an amenable number.

655500404 is a deficient number, since it is larger than the sum of its proper divisors (591421804).

655500404 is a wasteful number, since it uses less digits than its factorization.

655500404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117935 (or 117933 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 655500404 is about 25602.7421187653. The cubic root of 655500404 is about 868.6756633321.

The spelling of 655500404 in words is "six hundred fifty-five million, five hundred thousand, four hundred four".