18036038232 has 32 divisors (see below), whose sum is σ = 50100106800. Its totient is φ = 6012012672.

The previous prime is 18036038221. The next prime is 18036038233. The reversal of 18036038232 is 23283063081.

18036038232 is a `hidden beast` number, since 18 + 0 + 3 + 603 + 8 + 2 + 32 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18036038233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41749873 + ... + 41750304.

Almost surely, 2^18036038232 is an apocalyptic number.

18036038232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18036038232 is an abundant number, since it is smaller than the sum of its proper divisors (32064068568).

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

18036038232 is a wasteful number, since it uses less digits than its factorization.

18036038232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83500192 (or 83500182 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 18036038232 in words is "eighteen billion, thirty-six million, thirty-eight thousand, two hundred thirty-two".