18142545838080 has 432 divisors, whose sum is σ = 59141699225280. Its totient is φ = 4748086345728.

The previous prime is 18142545838069. The next prime is 18142545838093. The reversal of 18142545838080 is 8083854524181.

It is a self number, because there is not a number n which added to its sum of digits gives 18142545838080.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67444408186 + ... + 67444408454.

It is an arithmetic number, because the mean of its divisors is an integer number (136902081540).

Almost surely, 2^{18142545838080} is an apocalyptic number.

18142545838080 is a gapful number since it is divisible by the number (10) 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 18142545838080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29570849612640).

18142545838080 is an abundant number, since it is smaller than the sum of its proper divisors (40999153387200).

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

18142545838080 is an frugal number, since it uses more digits than its factorization.

18142545838080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 57.

The spelling of 18142545838080 in words is "eighteen trillion, one hundred forty-two billion, five hundred forty-five million, eight hundred thirty-eight thousand, eighty".