13080085993640 has 64 divisors (see below), whose sum is σ = 29913877599120. Its totient is φ = 5146053120000.

The previous prime is 13080085993549. The next prime is 13080085993643. The reversal of 13080085993640 is 4639958008031.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1293237486436 + 11786848507204 = 1137206^2 + 3433198^2 .

It is a super-2 number, since 2×13080085993640² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13080085993643) 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, 68422190 + ... + 68613090.

Almost surely, 2^{13080085993640} is an apocalyptic number.

13080085993640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13080085993640 is an abundant number, since it is smaller than the sum of its proper divisors (16833791605480).

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

13080085993640 is a wasteful number, since it uses less digits than its factorization.

13080085993640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219054 (or 219050 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 13080085993640 in words is "thirteen trillion, eighty billion, eighty-five million, nine hundred ninety-three thousand, six hundred forty".