1604056460 has 12 divisors (see below), whose sum is σ = 3368518608. Its totient is φ = 641622576.

The previous prime is 1604056429. The next prime is 1604056463. The reversal of 1604056460 is 646504061.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1604056463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40101392 + ... + 40101431.

It is an arithmetic number, because the mean of its divisors is an integer number (280709884).

Almost surely, 2^1604056460 is an apocalyptic number.

1604056460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1604056460 is an abundant number, since it is smaller than the sum of its proper divisors (1764462148).

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

1604056460 is a wasteful number, since it uses less digits than its factorization.

1604056460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80202832 (or 80202830 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1604056460 is about 40050.6736522621. The cubic root of 1604056460 is about 1170.5946912244.

The spelling of 1604056460 in words is "one billion, six hundred four million, fifty-six thousand, four hundred sixty".