13904645776 has 80 divisors (see below), whose sum is σ = 31970096640. Its totient is φ = 5732052480.

The previous prime is 13904645773. The next prime is 13904645813. The reversal of 13904645776 is 67754640931.

It is not an unprimeable number, because it can be changed into a prime (13904645773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872310 + ... + 888106.

It is an arithmetic number, because the mean of its divisors is an integer number (399626208).

Almost surely, 2^13904645776 is an apocalyptic number.

13904645776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13904645776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15985048320).

13904645776 is an abundant number, since it is smaller than the sum of its proper divisors (18065450864).

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

13904645776 is a wasteful number, since it uses less digits than its factorization.

13904645776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16112 (or 16106 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 13904645776 in words is "thirteen billion, nine hundred four million, six hundred forty-five thousand, seven hundred seventy-six".