13004443421244 has 36 divisors (see below), whose sum is σ = 35860737920280. Its totient is φ = 3940740430560.

The previous prime is 13004443421227. The next prime is 13004443421251. The reversal of 13004443421244 is 44212434440031.

13004443421244 is a `hidden beast` number, since 1 + 3 + 0 + 0 + 4 + 4 + 434 + 212 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13004443421199 and 13004443421208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16419751399 + ... + 16419752190.

Almost surely, 2^{13004443421244} is an apocalyptic number.

It is an amenable number.

13004443421244 is an abundant number, since it is smaller than the sum of its proper divisors (22856294499036).

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

13004443421244 is a wasteful number, since it uses less digits than its factorization.

13004443421244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32839503610 (or 32839503605 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 13004443421244 its reverse (44212434440031), we get a palindrome (57216877861275).

The spelling of 13004443421244 in words is "thirteen trillion, four billion, four hundred forty-three million, four hundred twenty-one thousand, two hundred forty-four".