13320311141440 has 56 divisors (see below), whose sum is σ = 31839595634880. Its totient is φ = 5307865394688.

The previous prime is 13320311141429. The next prime is 13320311141443. The reversal of 13320311141440 is 4414111302331.

It is a junction number, because it is equal to n+sod(n) for n = 13320311141399 and 13320311141408.

It is not an unprimeable number, because it can be changed into a prime (13320311141443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79052670 + ... + 79220989.

Almost surely, 2^{13320311141440} is an apocalyptic number.

13320311141440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13320311141440 is an abundant number, since it is smaller than the sum of its proper divisors (18519284493440).

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

13320311141440 is a wasteful number, since it uses less digits than its factorization.

13320311141440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158273939 (or 158273929 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 13320311141440 its reverse (4414111302331), we get a palindrome (17734422443771).

The spelling of 13320311141440 in words is "thirteen trillion, three hundred twenty billion, three hundred eleven million, one hundred forty-one thousand, four hundred forty".