13412503520440 has 64 divisors (see below), whose sum is σ = 31954095453600. Its totient is φ = 5049290108928.

The previous prime is 13412503520363. The next prime is 13412503520441. The reversal of 13412503520440 is 4402530521431.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 13412503520396 and 13412503520405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13412503520441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30611631 + ... + 31046689.

Almost surely, 2^{13412503520440} is an apocalyptic number.

13412503520440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13412503520440 is an abundant number, since it is smaller than the sum of its proper divisors (18541591933160).

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

13412503520440 is a wasteful number, since it uses less digits than its factorization.

13412503520440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480424 (or 480420 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 13412503520440 in words is "thirteen trillion, four hundred twelve billion, five hundred three million, five hundred twenty thousand, four hundred forty".