17979360000 has 360 divisors, whose sum is σ = 68349921024. Its totient is φ = 4108800000.

The previous prime is 17979359977. The next prime is 17979360011. The reversal of 17979360000 is 6397971.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3357325 + ... + 3362675.

Almost surely, 2^17979360000 is an apocalyptic number.

17979360000 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 17979360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34174960512).

17979360000 is an abundant number, since it is smaller than the sum of its proper divisors (50370561024).

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

17979360000 is an frugal number, since it uses more digits than its factorization.

17979360000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5397 (or 5368 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 42.

The spelling of 17979360000 in words is "seventeen billion, nine hundred seventy-nine million, three hundred sixty thousand".