18412008493480 has 128 divisors (see below), whose sum is σ = 47760180698880. Its totient is φ = 6257569812480.

The previous prime is 18412008493423. The next prime is 18412008493511. The reversal of 18412008493480 is 8439480021481.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15760335 + ... + 16888225.

It is an arithmetic number, because the mean of its divisors is an integer number (373126411710).

Almost surely, 2^{18412008493480} is an apocalyptic number.

18412008493480 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 18412008493480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23880090349440).

18412008493480 is an abundant number, since it is smaller than the sum of its proper divisors (29348172205400).

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

18412008493480 is a wasteful number, since it uses less digits than its factorization.

18412008493480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128419 (or 1128415 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 52.

The spelling of 18412008493480 in words is "eighteen trillion, four hundred twelve billion, eight million, four hundred ninety-three thousand, four hundred eighty".