13982644872 has 128 divisors (see below), whose sum is σ = 45920160000. Its totient is φ = 3857269248.

The previous prime is 13982644867. The next prime is 13982644889. The reversal of 13982644872 is 27844628931.

13982644872 is a `hidden beast` number, since 13 + 98 + 2 + 64 + 487 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115597 + ... + 203292.

It is an arithmetic number, because the mean of its divisors is an integer number (358751250).

Almost surely, 2^13982644872 is an apocalyptic number.

13982644872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13982644872 is an abundant number, since it is smaller than the sum of its proper divisors (31937515128).

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

13982644872 is a wasteful number, since it uses less digits than its factorization.

13982644872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318940 (or 318930 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 13982644872 in words is "thirteen billion, nine hundred eighty-two million, six hundred forty-four thousand, eight hundred seventy-two".