255580404 has 24 divisors (see below), whose sum is σ = 604755648. Its totient is φ = 83993280.

The previous prime is 255580379. The next prime is 255580453. The reversal of 255580404 is 404085552.

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, 149137 + ... + 150840.

It is an arithmetic number, because the mean of its divisors is an integer number (25198152).

Almost surely, 2^255580404 is an apocalyptic number.

It is an amenable number.

255580404 is an abundant number, since it is smaller than the sum of its proper divisors (349175244).

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

255580404 is a wasteful number, since it uses less digits than its factorization.

255580404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300055 (or 300053 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 255580404 is about 15986.8822476429. The cubic root of 255580404 is about 634.6133211161.

The spelling of 255580404 in words is "two hundred fifty-five million, five hundred eighty thousand, four hundred four".