13321341244044 has 144 divisors (see below), whose sum is σ = 34257105792000. Its totient is φ = 4363888193280.

The previous prime is 13321341244037. The next prime is 13321341244121. The reversal of 13321341244044 is 44044214312331.

13321341244044 is a `hidden beast` number, since 1 + 3 + 32 + 1 + 341 + 244 + 0 + 44 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2643645277 + ... + 2643650315.

It is an arithmetic number, because the mean of its divisors is an integer number (237896568000).

Almost surely, 2^{13321341244044} 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 13321341244044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17128552896000).

13321341244044 is an abundant number, since it is smaller than the sum of its proper divisors (20935764547956).

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

13321341244044 is a wasteful number, since it uses less digits than its factorization.

13321341244044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8228 (or 8223 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 13321341244044 its reverse (44044214312331), we get a palindrome (57365555556375).

The spelling of 13321341244044 in words is "thirteen trillion, three hundred twenty-one billion, three hundred forty-one million, two hundred forty-four thousand, forty-four".