18034187232 has 96 divisors (see below), whose sum is σ = 47942937504. Its totient is φ = 5935104000.

The previous prime is 18034187221. The next prime is 18034187233. The reversal of 18034187232 is 23278143081.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18034187233) 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 15 ways as a sum of consecutive naturals, for example, 4290732 + ... + 4294932.

It is an arithmetic number, because the mean of its divisors is an integer number (499405599).

Almost surely, 2^18034187232 is an apocalyptic number.

18034187232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18034187232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23971468752).

18034187232 is an abundant number, since it is smaller than the sum of its proper divisors (29908750272).

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

18034187232 is a wasteful number, since it uses less digits than its factorization.

18034187232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772 (or 4764 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 18034187232 in words is "eighteen billion, thirty-four million, one hundred eighty-seven thousand, two hundred thirty-two".