18388410124 has 72 divisors (see below), whose sum is σ = 37831615920. Its totient is φ = 7797412224.

The previous prime is 18388410107. The next prime is 18388410127. The reversal of 18388410124 is 42101488381.

It is not an unprimeable number, because it can be changed into a prime (18388410127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7695922 + ... + 7698310.

It is an arithmetic number, because the mean of its divisors is an integer number (525439110).

Almost surely, 2^18388410124 is an apocalyptic number.

18388410124 is a gapful number since it is divisible by the number (14) 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 18388410124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18915807960).

18388410124 is an abundant number, since it is smaller than the sum of its proper divisors (19443205796).

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

18388410124 is a wasteful number, since it uses less digits than its factorization.

18388410124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807 (or 2798 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The spelling of 18388410124 in words is "eighteen billion, three hundred eighty-eight million, four hundred ten thousand, one hundred twenty-four".