18272736382 has 32 divisors (see below), whose sum is σ = 30319557120. Its totient is φ = 8220172800.

The previous prime is 18272736283. The next prime is 18272736413. The reversal of 18272736382 is 28363727281.

It is a happy number.

It is a congruent number.

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, 7843 + ... + 191329.

It is an arithmetic number, because the mean of its divisors is an integer number (947486160).

Almost surely, 2^18272736382 is an apocalyptic number.

18272736382 is a deficient number, since it is larger than the sum of its proper divisors (12046820738).

18272736382 is a wasteful number, since it uses less digits than its factorization.

18272736382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183636.

The product of its digits is 1354752, while the sum is 49.

The spelling of 18272736382 in words is "eighteen billion, two hundred seventy-two million, seven hundred thirty-six thousand, three hundred eighty-two".