13040054551344 has 160 divisors (see below), whose sum is σ = 35968072896000. Its totient is φ = 4056695304192.

The previous prime is 13040054551339. The next prime is 13040054551367. The reversal of 13040054551344 is 44315545004031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95094222 + ... + 95231250.

It is an arithmetic number, because the mean of its divisors is an integer number (224800455600).

Almost surely, 2^{13040054551344} 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 13040054551344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17984036448000).

13040054551344 is an abundant number, since it is smaller than the sum of its proper divisors (22928018344656).

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

13040054551344 is a wasteful number, since it uses less digits than its factorization.

13040054551344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138035 (or 138029 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 13040054551344 its reverse (44315545004031), we get a palindrome (57355599555375).

The spelling of 13040054551344 in words is "thirteen trillion, forty billion, fifty-four million, five hundred fifty-one thousand, three hundred forty-four".