17980489800 has 576 divisors, whose sum is σ = 76738421760. Its totient is φ = 3670272000.

The previous prime is 17980489799. The next prime is 17980489801. The reversal of 17980489800 is 898408971.

17980489800 is a `hidden beast` number, since 1 + 7 + 9 + 80 + 489 + 80 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (17980489799) and next prime (17980489801).

It is not an unprimeable number, because it can be changed into a prime (17980489801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5076030 + ... + 5079570.

Almost surely, 2^17980489800 is an apocalyptic number.

17980489800 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 17980489800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38369210880).

17980489800 is an abundant number, since it is smaller than the sum of its proper divisors (58757931960).

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

17980489800 is a wasteful number, since it uses less digits than its factorization.

17980489800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614 (or 3602 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 17980489800 in words is "seventeen billion, nine hundred eighty million, four hundred eighty-nine thousand, eight hundred".