13504520443040 has 96 divisors (see below), whose sum is σ = 35058882729024. Its totient is φ = 4874889840640.

The previous prime is 13504520443019. The next prime is 13504520443061. The reversal of 13504520443040 is 4034402540531.

It is an interprime number because it is at equal distance from previous prime (13504520443019) and next prime (13504520443061).

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, 27762614 + ... + 28244853.

It is an arithmetic number, because the mean of its divisors is an integer number (365196695094).

Almost surely, 2^{13504520443040} is an apocalyptic number.

13504520443040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13504520443040 is an abundant number, since it is smaller than the sum of its proper divisors (21554362285984).

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

13504520443040 is a wasteful number, since it uses less digits than its factorization.

13504520443040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56007630 (or 56007622 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 13504520443040 its reverse (4034402540531), we get a palindrome (17538922983571).

The spelling of 13504520443040 in words is "thirteen trillion, five hundred four billion, five hundred twenty million, four hundred forty-three thousand, forty".