568135404 has 48 divisors (see below), whose sum is σ = 1523743200. Its totient is φ = 182847168.

The previous prime is 568135369. The next prime is 568135441. The reversal of 568135404 is 404531865.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87567 + ... + 93830.

It is an arithmetic number, because the mean of its divisors is an integer number (31744650).

Almost surely, 2^568135404 is an apocalyptic number.

568135404 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

568135404 is an abundant number, since it is smaller than the sum of its proper divisors (955607796).

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

568135404 is a wasteful number, since it uses less digits than its factorization.

568135404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181439 (or 181431 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 568135404 is about 23835.5911191646. The cubic root of 568135404 is about 828.2293525535.

The spelling of 568135404 in words is "five hundred sixty-eight million, one hundred thirty-five thousand, four hundred four".