18083444832 has 96 divisors (see below), whose sum is σ = 52974280800. Its totient is φ = 6001426944.

The previous prime is 18083444791. The next prime is 18083444851. The reversal of 18083444832 is 23844438081.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152158 + ... + 243554.

It is an arithmetic number, because the mean of its divisors is an integer number (551815425).

Almost surely, 2^18083444832 is an apocalyptic number.

18083444832 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 18083444832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26487140400).

18083444832 is an abundant number, since it is smaller than the sum of its proper divisors (34890835968).

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

18083444832 is a wasteful number, since it uses less digits than its factorization.

18083444832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91645 (or 91631 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 18083444832 in words is "eighteen billion, eighty-three million, four hundred forty-four thousand, eight hundred thirty-two".