18372928382 has 16 divisors (see below), whose sum is σ = 27987800400. Its totient is φ = 9044678400.

The previous prime is 18372928373. The next prime is 18372928391. The reversal of 18372928382 is 28382927381.

It is an interprime number because it is at equal distance from previous prime (18372928373) and next prime (18372928391).

It is a super-2 number, since 2×18372928382² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217907 + ... + 290222.

It is an arithmetic number, because the mean of its divisors is an integer number (1749237525).

Almost surely, 2^18372928382 is an apocalyptic number.

18372928382 is a deficient number, since it is larger than the sum of its proper divisors (9614872018).

18372928382 is a wasteful number, since it uses less digits than its factorization.

18372928382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508411.

The product of its digits is 2322432, while the sum is 53.

The spelling of 18372928382 in words is "eighteen billion, three hundred seventy-two million, nine hundred twenty-eight thousand, three hundred eighty-two".