12926384455680 has 420 divisors, whose sum is σ = 46512501441672. Its totient is φ = 3447019929600.

The previous prime is 12926384455651. The next prime is 12926384455727. The reversal of 12926384455680 is 8655448362921.

12926384455680 is a `hidden beast` number, since 1 + 2 + 9 + 2 + 6 + 38 + 44 + 556 + 8 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 59611455 + ... + 59827905.

Almost surely, 2^{12926384455680} is an apocalyptic number.

12926384455680 is a gapful number since it is divisible by the number (10) 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 12926384455680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23256250720836).

12926384455680 is an abundant number, since it is smaller than the sum of its proper divisors (33586116985992).

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

12926384455680 is an frugal number, since it uses more digits than its factorization.

12926384455680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216502 (or 216461 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 63.

The spelling of 12926384455680 in words is "twelve trillion, nine hundred twenty-six billion, three hundred eighty-four million, four hundred fifty-five thousand, six hundred eighty".