5599999980 has 72 divisors (see below), whose sum is σ = 17725230432. Its totient is φ = 1428404736.

The previous prime is 5599999973. The next prime is 5600000033. The reversal of 5599999980 is 899999955.

It is a junction number, because it is equal to n+sod(n) for n = 5599999899 and 5599999908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 672189 + ... + 680468.

It is an arithmetic number, because the mean of its divisors is an integer number (246183756).

Almost surely, 2^5599999980 is an apocalyptic number.

It is an amenable number.

5599999980 is an abundant number, since it is smaller than the sum of its proper divisors (12125230452).

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

5599999980 is a wasteful number, since it uses less digits than its factorization.

5599999980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352695 (or 1352690 counting only the distinct ones).

The product of its (nonzero) digits is 106288200, while the sum is 72.

The square root of 5599999980 is about 74833.1476018482. The cubic root of 5599999980 is about 1775.8080013711.

The spelling of 5599999980 in words is "five billion, five hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty".