18741236108232 has 64 divisors (see below), whose sum is σ = 51112871553600. Its totient is φ = 5679116963840.

The previous prime is 18741236108209. The next prime is 18741236108239. The reversal of 18741236108232 is 23280163214781.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18741236108239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48663244 + ... + 49046852.

It is an arithmetic number, because the mean of its divisors is an integer number (798638618025).

Almost surely, 2^{18741236108232} is an apocalyptic number.

18741236108232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18741236108232 is an abundant number, since it is smaller than the sum of its proper divisors (32371635445368).

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

18741236108232 is a wasteful number, since it uses less digits than its factorization.

18741236108232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568686 (or 568682 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 18741236108232 in words is "eighteen trillion, seven hundred forty-one billion, two hundred thirty-six million, one hundred eight thousand, two hundred thirty-two".