13983487926840 has 96 divisors (see below), whose sum is σ = 46413279132480. Its totient is φ = 3649591170816.

The previous prime is 13983487926791. The next prime is 13983487926857. The reversal of 13983487926840 is 4862978438931.

13983487926840 is a `hidden beast` number, since 1 + 3 + 9 + 83 + 487 + 9 + 2 + 68 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413206719 + ... + 413240558.

It is an arithmetic number, because the mean of its divisors is an integer number (483471657630).

Almost surely, 2^{13983487926840} is an apocalyptic number.

13983487926840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13983487926840 is an abundant number, since it is smaller than the sum of its proper divisors (32429791205640).

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

13983487926840 is a wasteful number, since it uses less digits than its factorization.

13983487926840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826447341 (or 826447334 counting only the distinct ones).

The product of its (nonzero) digits is 501645312, while the sum is 72.

The spelling of 13983487926840 in words is "thirteen trillion, nine hundred eighty-three billion, four hundred eighty-seven million, nine hundred twenty-six thousand, eight hundred forty".