18104000272 has 10 divisors (see below), whose sum is σ = 35076500558. Its totient is φ = 9052000128.

The previous prime is 18104000269. The next prime is 18104000273. The reversal of 18104000272 is 27200040181.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16833505536 + 1270494736 = 129744^2 + 35644^2 .

It is not an unprimeable number, because it can be changed into a prime (18104000273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565749993 + ... + 565750024.

Almost surely, 2^18104000272 is an apocalyptic number.

It is an amenable number.

18104000272 is a deficient number, since it is larger than the sum of its proper divisors (16972500286).

18104000272 is a wasteful number, since it uses less digits than its factorization.

18104000272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131500025 (or 1131500019 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The spelling of 18104000272 in words is "eighteen billion, one hundred four million, two hundred seventy-two", and thus it is an aban number.