404000032 has 24 divisors (see below), whose sum is σ = 795916800. Its totient is φ = 201862464.

The previous prime is 403999993. The next prime is 404000033. The reversal of 404000032 is 230000404.

It is a junction number, because it is equal to n+sod(n) for n = 403999976 and 404000021.

It is not an unprimeable number, because it can be changed into a prime (404000033) 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, 56769 + ... + 63487.

It is an arithmetic number, because the mean of its divisors is an integer number (33163200).

Almost surely, 2^404000032 is an apocalyptic number.

It is an amenable number.

404000032 is a deficient number, since it is larger than the sum of its proper divisors (391916768).

404000032 is a wasteful number, since it uses less digits than its factorization.

404000032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8608 (or 8600 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 404000032 is about 20099.7520382715. The cubic root of 404000032 is about 739.2541986896.

Adding to 404000032 its reverse (230000404), we get a palindrome (634000436).

The spelling of 404000032 in words is "four hundred four million, thirty-two", and thus it is an aban number.