13321440341044 has 12 divisors (see below), whose sum is σ = 25431840651168. Its totient is φ = 6055200155000.

The previous prime is 13321440340997. The next prime is 13321440341071. The reversal of 13321440341044 is 44014304412331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151380003832 + ... + 151380003919.

It is an arithmetic number, because the mean of its divisors is an integer number (2119320054264).

Almost surely, 2^{13321440341044} is an apocalyptic number.

It is an amenable number.

13321440341044 is a deficient number, since it is larger than the sum of its proper divisors (12110400310124).

13321440341044 is a wasteful number, since it uses less digits than its factorization.

13321440341044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302760007766 (or 302760007764 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 13321440341044 its reverse (44014304412331), we get a palindrome (57335744753375).

The spelling of 13321440341044 in words is "thirteen trillion, three hundred twenty-one billion, four hundred forty million, three hundred forty-one thousand, forty-four".