13277988480 has 64 divisors (see below), whose sum is σ = 42323594400. Its totient is φ = 3540796416.

The previous prime is 13277988473. The next prime is 13277988491. The reversal of 13277988480 is 8488977231.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 13277988480.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3455890 + ... + 3459729.

Almost surely, 2^13277988480 is an apocalyptic number.

13277988480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13277988480 is an abundant number, since it is smaller than the sum of its proper divisors (29045605920).

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

13277988480 is an equidigital number, since it uses as much as digits as its factorization.

13277988480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6915641 (or 6915629 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 57.

The spelling of 13277988480 in words is "thirteen billion, two hundred seventy-seven million, nine hundred eighty-eight thousand, four hundred eighty".