18039750709932 has 144 divisors (see below), whose sum is σ = 54716555362560. Its totient is φ = 4902206956416.

The previous prime is 18039750709909. The next prime is 18039750709933. The reversal of 18039750709932 is 23990705793081.

18039750709932 is a `hidden beast` number, since 1 + 8 + 0 + 3 + 9 + 7 + 507 + 0 + 99 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 18039750709932.

It is not an unprimeable number, because it can be changed into a prime (18039750709933) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17931958 + ... + 18911229.

Almost surely, 2^{18039750709932} is an apocalyptic number.

18039750709932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18039750709932 is an abundant number, since it is smaller than the sum of its proper divisors (36676804652628).

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

18039750709932 is a wasteful number, since it uses less digits than its factorization.

18039750709932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36843300 (or 36843295 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The spelling of 18039750709932 in words is "eighteen trillion, thirty-nine billion, seven hundred fifty million, seven hundred nine thousand, nine hundred thirty-two".