18942875331432 has 128 divisors (see below), whose sum is σ = 51158547216000. Its totient is φ = 5810483036160.

The previous prime is 18942875331361. The next prime is 18942875331437. The reversal of 18942875331432 is 23413357824981.

It is not an unprimeable number, because it can be changed into a prime (18942875331437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184144332 + ... + 184247172.

It is an arithmetic number, because the mean of its divisors is an integer number (399676150125).

Almost surely, 2^{18942875331432} is an apocalyptic number.

18942875331432 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 18942875331432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25579273608000).

18942875331432 is an abundant number, since it is smaller than the sum of its proper divisors (32215671884568).

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

18942875331432 is a wasteful number, since it uses less digits than its factorization.

18942875331432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104691 (or 104687 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 60.

The spelling of 18942875331432 in words is "eighteen trillion, nine hundred forty-two billion, eight hundred seventy-five million, three hundred thirty-one thousand, four hundred thirty-two".