13104331504440 has 128 divisors (see below), whose sum is σ = 42893972755200. Its totient is φ = 3176283960320.

The previous prime is 13104331504423. The next prime is 13104331504447. The reversal of 13104331504440 is 4440513340131.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104331504447) by changing a digit.

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, 7222279 + ... + 8852681.

It is an arithmetic number, because the mean of its divisors is an integer number (335109162150).

Almost surely, 2^{13104331504440} is an apocalyptic number.

13104331504440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13104331504440 is an abundant number, since it is smaller than the sum of its proper divisors (29789641250760).

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

13104331504440 is a wasteful number, since it uses less digits than its factorization.

13104331504440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636517 (or 1636513 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 13104331504440 its reverse (4440513340131), we get a palindrome (17544844844571).

The spelling of 13104331504440 in words is "thirteen trillion, one hundred four billion, three hundred thirty-one million, five hundred four thousand, four hundred forty".