2686405628608 has 56 divisors (see below), whose sum is σ = 5741106782432. Its totient is φ = 1239834968064.

The previous prime is 2686405628591. The next prime is 2686405628611. The reversal of 2686405628608 is 8068265046862.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38509216 + ... + 38578912.

It is an arithmetic number, because the mean of its divisors is an integer number (102519763972).

Almost surely, 2^{2686405628608} is an apocalyptic number.

It is an amenable number.

2686405628608 is an abundant number, since it is smaller than the sum of its proper divisors (3054701153824).

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

2686405628608 is a wasteful number, since it uses less digits than its factorization.

2686405628608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116049 (or 116039 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 61.

The spelling of 2686405628608 in words is "two trillion, six hundred eighty-six billion, four hundred five million, six hundred twenty-eight thousand, six hundred eight".