13639480880 has 20 divisors (see below), whose sum is σ = 31711793232. Its totient is φ = 5455792320.

The previous prime is 13639480873. The next prime is 13639480889. The reversal of 13639480880 is 8808493631.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (13639480889) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 85246676 + ... + 85246835.

Almost surely, 2^13639480880 is an apocalyptic number.

13639480880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13639480880 is an abundant number, since it is smaller than the sum of its proper divisors (18072312352).

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

13639480880 is a wasteful number, since it uses less digits than its factorization.

13639480880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170493524 (or 170493518 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 13639480880 in words is "thirteen billion, six hundred thirty-nine million, four hundred eighty thousand, eight hundred eighty".