13065427060440 has 32 divisors (see below), whose sum is σ = 39196281181680. Its totient is φ = 3484113882752.

The previous prime is 13065427060393. The next prime is 13065427060501. The reversal of 13065427060440 is 4406072456031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13065427060392 and 13065427060401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54439279299 + ... + 54439279538.

Almost surely, 2^{13065427060440} is an apocalyptic number.

13065427060440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13065427060440 is an abundant number, since it is smaller than the sum of its proper divisors (26130854121240).

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

13065427060440 is a wasteful number, since it uses less digits than its factorization.

13065427060440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108878558851 (or 108878558847 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 13065427060440 in words is "thirteen trillion, sixty-five billion, four hundred twenty-seven million, sixty thousand, four hundred forty".