13880704656 has 240 divisors, whose sum is σ = 44836213632. Its totient is φ = 3603087360.

The previous prime is 13880704639. The next prime is 13880704667. The reversal of 13880704656 is 65640708831.

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

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 76688886 + ... + 76689066.

Almost surely, 2^13880704656 is an apocalyptic number.

13880704656 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 13880704656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22418106816).

13880704656 is an abundant number, since it is smaller than the sum of its proper divisors (30955508976).

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

13880704656 is a wasteful number, since it uses less digits than its factorization.

13880704656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 13880704656 in words is "thirteen billion, eight hundred eighty million, seven hundred four thousand, six hundred fifty-six".