Almost surely, 218743574632640 is an apocalyptic number.
18743574632640 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 18743574632640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35895780619776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18743574632640 is a wasteful number, since it uses less digits than its factorization.
18743574632640 is an odious number, because the sum of its binary digits is odd.
The spelling of 18743574632640 in words is "eighteen trillion, seven hundred forty-three billion, five hundred seventy-four million, six hundred thirty-two thousand, six hundred forty".