18052137928 has 32 divisors (see below), whose sum is σ = 37621532160. Its totient is φ = 8050694080.

The previous prime is 18052137919. The next prime is 18052137931. The reversal of 18052137928 is 82973125081.

It is a happy number.

It is a super-2 number, since 2×18052137928² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1930600 + ... + 1939927.

It is an arithmetic number, because the mean of its divisors is an integer number (1175672880).

Almost surely, 2^18052137928 is an apocalyptic number.

It is an amenable number.

18052137928 is an abundant number, since it is smaller than the sum of its proper divisors (19569394232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18052137928 is a wasteful number, since it uses less digits than its factorization.

18052137928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870597 (or 3870593 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 18052137928 in words is "eighteen billion, fifty-two million, one hundred thirty-seven thousand, nine hundred twenty-eight".