13666443042024 has 256 divisors, whose sum is σ = 40191840000000. Its totient is φ = 4290752632320.

The previous prime is 13666443042019. The next prime is 13666443042053. The reversal of 13666443042024 is 42024034466631.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1209521127 + ... + 1209532425.

It is an arithmetic number, because the mean of its divisors is an integer number (156999375000).

Almost surely, 2^{13666443042024} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13666443042024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20095920000000).

13666443042024 is an abundant number, since it is smaller than the sum of its proper divisors (26525396957976).

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

13666443042024 is a wasteful number, since it uses less digits than its factorization.

13666443042024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13013 (or 13003 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 45.

The spelling of 13666443042024 in words is "thirteen trillion, six hundred sixty-six billion, four hundred forty-three million, forty-two thousand, twenty-four".