404064420 has 48 divisors (see below), whose sum is σ = 1161964608. Its totient is φ = 104837760.

The previous prime is 404064413. The next prime is 404064439. The reversal of 404064420 is 24460404.

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, 88786 + ... + 93225.

It is an arithmetic number, because the mean of its divisors is an integer number (24207596).

Almost surely, 2^404064420 is an apocalyptic number.

It is an amenable number.

404064420 is an abundant number, since it is smaller than the sum of its proper divisors (757900188).

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

404064420 is a wasteful number, since it uses less digits than its factorization.

404064420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182060 (or 182058 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 404064420 is about 20101.3536857596. The cubic root of 404064420 is about 739.2934697846.

The spelling of 404064420 in words is "four hundred four million, sixty-four thousand, four hundred twenty".