13984841857920 has 128 divisors (see below), whose sum is σ = 44578831731840. Its totient is φ = 3729111435264.

The previous prime is 13984841857901. The next prime is 13984841857927. The reversal of 13984841857920 is 2975814848931.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13984841857927) 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, 42357799 + ... + 42686681.

It is an arithmetic number, because the mean of its divisors is an integer number (348272122905).

Almost surely, 2^{13984841857920} is an apocalyptic number.

13984841857920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13984841857920 is an abundant number, since it is smaller than the sum of its proper divisors (30593989873920).

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

13984841857920 is a wasteful number, since it uses less digits than its factorization.

13984841857920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351052 (or 351040 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 69.

The spelling of 13984841857920 in words is "thirteen trillion, nine hundred eighty-four billion, eight hundred forty-one million, eight hundred fifty-seven thousand, nine hundred twenty".