12401840257564 has 24 divisors (see below), whose sum is σ = 21984795403200. Its totient is φ = 6120519075840.

The previous prime is 12401840257559. The next prime is 12401840257577. The reversal of 12401840257564 is 46575204810421.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5100997 + ... + 7129084.

It is an arithmetic number, because the mean of its divisors is an integer number (916033141800).

Almost surely, 2^{12401840257564} is an apocalyptic number.

It is an amenable number.

12401840257564 is a deficient number, since it is larger than the sum of its proper divisors (9582955145636).

12401840257564 is a wasteful number, since it uses less digits than its factorization.

12401840257564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12233373 (or 12233371 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 49.

The spelling of 12401840257564 in words is "twelve trillion, four hundred one billion, eight hundred forty million, two hundred fifty-seven thousand, five hundred sixty-four".