18488674538712 has 256 divisors, whose sum is σ = 60164899200000. Its totient is φ = 5150283678720.

The previous prime is 18488674538701. The next prime is 18488674538713. The reversal of 18488674538712 is 21783547688481.

18488674538712 is a `hidden beast` number, since 1 + 8 + 4 + 8 + 8 + 6 + 74 + 538 + 7 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18488674538713) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95929339 + ... + 96121877.

It is an arithmetic number, because the mean of its divisors is an integer number (235019137500).

Almost surely, 2^{18488674538712} is an apocalyptic number.

18488674538712 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 18488674538712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30082449600000).

18488674538712 is an abundant number, since it is smaller than the sum of its proper divisors (41676224661288).

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

18488674538712 is a wasteful number, since it uses less digits than its factorization.

18488674538712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194151 (or 194141 counting only the distinct ones).

The product of its digits is 578027520, while the sum is 72.

The spelling of 18488674538712 in words is "eighteen trillion, four hundred eighty-eight billion, six hundred seventy-four million, five hundred thirty-eight thousand, seven hundred twelve".