18377832744 has 160 divisors (see below), whose sum is σ = 52141320000. Its totient is φ = 6047129088.

The previous prime is 18377832719. The next prime is 18377832763. The reversal of 18377832744 is 44723877381.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 39 ways as a sum of consecutive naturals, for example, 30680557 + ... + 30681155.

It is an arithmetic number, because the mean of its divisors is an integer number (325883250).

Almost surely, 2^18377832744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18377832744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26070660000).

18377832744 is an abundant number, since it is smaller than the sum of its proper divisors (33763487256).

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

18377832744 is a wasteful number, since it uses less digits than its factorization.

18377832744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149 (or 1136 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 54.

The spelling of 18377832744 in words is "eighteen billion, three hundred seventy-seven million, eight hundred thirty-two thousand, seven hundred forty-four".