13280385776 has 40 divisors (see below), whose sum is σ = 29412117504. Its totient is φ = 5690520000.

The previous prime is 13280385763. The next prime is 13280385791. The reversal of 13280385776 is 67758308231.

It is a happy number.

13280385776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958901 + ... + 972651.

Almost surely, 2^13280385776 is an apocalyptic number.

13280385776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13280385776 is an abundant number, since it is smaller than the sum of its proper divisors (16131731728).

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

13280385776 is a wasteful number, since it uses less digits than its factorization.

13280385776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22389 (or 22383 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 13280385776 in words is "thirteen billion, two hundred eighty million, three hundred eighty-five thousand, seven hundred seventy-six".