18404684048 has 10 divisors (see below), whose sum is σ = 35659075374. Its totient is φ = 9202342016.

The previous prime is 18404684047. The next prime is 18404684057. The reversal of 18404684048 is 84048640481.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16850116864 + 1554567184 = 129808^2 + 39428^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18404683993 and 18404684011.

It is not an unprimeable number, because it can be changed into a prime (18404684047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575146361 + ... + 575146392.

Almost surely, 2^18404684048 is an apocalyptic number.

It is an amenable number.

18404684048 is a deficient number, since it is larger than the sum of its proper divisors (17254391326).

18404684048 is a wasteful number, since it uses less digits than its factorization.

18404684048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150292761 (or 1150292755 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 47.

The spelling of 18404684048 in words is "eighteen billion, four hundred four million, six hundred eighty-four thousand, forty-eight".