13130442011440 has 80 divisors (see below), whose sum is σ = 33765163766208. Its totient is φ = 4717131752448.

The previous prime is 13130442011419. The next prime is 13130442011447. The reversal of 13130442011440 is 4411024403131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 13130442011399 and 13130442011408.

It is not an unprimeable number, because it can be changed into a prime (13130442011447) 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 15 ways as a sum of consecutive naturals, for example, 170575372 + ... + 170652331.

Almost surely, 2^{13130442011440} is an apocalyptic number.

13130442011440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13130442011440 is an abundant number, since it is smaller than the sum of its proper divisors (20634721754768).

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

13130442011440 is a wasteful number, since it uses less digits than its factorization.

13130442011440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341227766 (or 341227760 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 13130442011440 its reverse (4411024403131), we get a palindrome (17541466414571).

The spelling of 13130442011440 in words is "thirteen trillion, one hundred thirty billion, four hundred forty-two million, eleven thousand, four hundred forty".