17720048960 has 28 divisors (see below), whose sum is σ = 42195867348. Its totient is φ = 7088019456.

The previous prime is 17720048909. The next prime is 17720048971. The reversal of 17720048960 is 6984002771.

It can be written as a sum of positive squares in 2 ways, for example, as 9399690304 + 8320358656 = 96952^2 + 91216^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27687257 + ... + 27687896.

Almost surely, 2^17720048960 is an apocalyptic number.

17720048960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17720048960 is an abundant number, since it is smaller than the sum of its proper divisors (24475818388).

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

17720048960 is an equidigital number, since it uses as much as digits as its factorization.

17720048960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55375170 (or 55375160 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 17720048960 in words is "seventeen billion, seven hundred twenty million, forty-eight thousand, nine hundred sixty".