13040628557427 has 48 divisors (see below), whose sum is σ = 19366776000000. Its totient is φ = 8449513676352.

The previous prime is 13040628557413. The next prime is 13040628557459. The reversal of 13040628557427 is 72475582604031.

13040628557427 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 0 + 62 + 8 + 5 + 574 + 2 + 7 = 666.

It is not a de Polignac number, because 13040628557427 - 2¹⁴ = 13040628541043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13040628557497) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1646747974 + ... + 1646755892.

It is an arithmetic number, because the mean of its divisors is an integer number (403474500000).

Almost surely, 2^{13040628557427} is an apocalyptic number.

13040628557427 is a deficient number, since it is larger than the sum of its proper divisors (6326147442573).

13040628557427 is a wasteful number, since it uses less digits than its factorization.

13040628557427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12760 (or 12757 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 13040628557427 in words is "thirteen trillion, forty billion, six hundred twenty-eight million, five hundred fifty-seven thousand, four hundred twenty-seven".