13043444400004 has 48 divisors (see below), whose sum is σ = 23707676805120. Its totient is φ = 6274276968960.

The previous prime is 13043444399969. The next prime is 13043444400011. The reversal of 13043444400004 is 40000444434031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63096997 + ... + 63303379.

It is an arithmetic number, because the mean of its divisors is an integer number (493909933440).

Almost surely, 2^{13043444400004} is an apocalyptic number.

It is an amenable number.

13043444400004 is a deficient number, since it is larger than the sum of its proper divisors (10664232405116).

13043444400004 is a wasteful number, since it uses less digits than its factorization.

13043444400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211780 (or 211778 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 13043444400004 its reverse (40000444434031), we get a palindrome (53043888834035).

The spelling of 13043444400004 in words is "thirteen trillion, forty-three billion, four hundred forty-four million, four hundred thousand, four".