18744135499032 has 64 divisors (see below), whose sum is σ = 48553725024000. Its totient is φ = 6026256522624.

The previous prime is 18744135499021. The next prime is 18744135499039. The reversal of 18744135499032 is 23099453144781.

It is a super-3 number, since 3×18744135499032³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18744135499039) 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, 124805932 + ... + 124956027.

It is an arithmetic number, because the mean of its divisors is an integer number (758651953500).

Almost surely, 2^{18744135499032} is an apocalyptic number.

18744135499032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18744135499032 is an abundant number, since it is smaller than the sum of its proper divisors (29809589524968).

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

18744135499032 is a wasteful number, since it uses less digits than its factorization.

18744135499032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249762080 (or 249762076 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 18744135499032 in words is "eighteen trillion, seven hundred forty-four billion, one hundred thirty-five million, four hundred ninety-nine thousand, thirty-two".