18417980000500 has 96 divisors (see below), whose sum is σ = 40714357057920. Its totient is φ = 7277563238400.

The previous prime is 18417980000447. The next prime is 18417980000527. The reversal of 18417980000500 is 500008971481.

It is a happy number.

It is a super-3 number, since 3×18417980000500³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

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, 434027284 + ... + 434069716.

It is an arithmetic number, because the mean of its divisors is an integer number (424107886020).

Almost surely, 2^{18417980000500} is an apocalyptic number.

18417980000500 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 18417980000500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20357178528960).

18417980000500 is an abundant number, since it is smaller than the sum of its proper divisors (22296377057420).

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

18417980000500 is a wasteful number, since it uses less digits than its factorization.

18417980000500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52994 (or 52982 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 43.

Adding to 18417980000500 its reverse (500008971481), we get a palindrome (18917988971981).

The spelling of 18417980000500 in words is "eighteen trillion, four hundred seventeen billion, nine hundred eighty million, five hundred", and thus it is an aban number.