18382036788 has 36 divisors (see below), whose sum is σ = 46642403808. Its totient is φ = 6104044560.

The previous prime is 18382036763. The next prime is 18382036789. The reversal of 18382036788 is 88763028381.

18382036788 is a `hidden beast` number, since 183 + 8 + 20 + 367 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18382036789) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 961278 + ... + 980213.

It is an arithmetic number, because the mean of its divisors is an integer number (1295622328).

Almost surely, 2^18382036788 is an apocalyptic number.

18382036788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18382036788 is an abundant number, since it is smaller than the sum of its proper divisors (28260367020).

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

18382036788 is a wasteful number, since it uses less digits than its factorization.

18382036788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941764 (or 1941759 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 18382036788 in words is "eighteen billion, three hundred eighty-two million, thirty-six thousand, seven hundred eighty-eight".