16304000404 has 12 divisors (see below), whose sum is σ = 28533188628. Its totient is φ = 8151660800.

The previous prime is 16304000389. The next prime is 16304000417. The reversal of 16304000404 is 40400040361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12353877904 + 3950122500 = 111148^2 + 62850^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45474 + ... + 186214.

It is an arithmetic number, because the mean of its divisors is an integer number (2377765719).

Almost surely, 2^16304000404 is an apocalyptic number.

It is an amenable number.

16304000404 is a deficient number, since it is larger than the sum of its proper divisors (12229188224).

16304000404 is a wasteful number, since it uses less digits than its factorization.

16304000404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169706 (or 169704 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 16304000404 its reverse (40400040361), we get a palindrome (56704040765).

The spelling of 16304000404 in words is "sixteen billion, three hundred four million, four hundred four", and thus it is an aban number.