13880326368 has 48 divisors (see below), whose sum is σ = 36599302656. Its totient is φ = 4606020480.

The previous prime is 13880326337. The next prime is 13880326393. The reversal of 13880326368 is 86362308831.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 302778 + ... + 345593.

It is an arithmetic number, because the mean of its divisors is an integer number (762485472).

Almost surely, 2^13880326368 is an apocalyptic number.

It is an amenable number.

13880326368 is an abundant number, since it is smaller than the sum of its proper divisors (22718976288).

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

13880326368 is a wasteful number, since it uses less digits than its factorization.

13880326368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648607 (or 648599 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 13880326368 in words is "thirteen billion, eight hundred eighty million, three hundred twenty-six thousand, three hundred sixty-eight".