17979045360 has 80 divisors (see below), whose sum is σ = 56920928256. Its totient is φ = 4692400384.

The previous prime is 17979045299. The next prime is 17979045367. The reversal of 17979045360 is 6354097971.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17979045367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785664 + ... + 808223.

Almost surely, 2^17979045360 is an apocalyptic number.

17979045360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17979045360 is an abundant number, since it is smaller than the sum of its proper divisors (38941882896).

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

17979045360 is a wasteful number, since it uses less digits than its factorization.

17979045360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593950 (or 1593944 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 51.

The spelling of 17979045360 in words is "seventeen billion, nine hundred seventy-nine million, forty-five thousand, three hundred sixty".