2686859427240 has 96 divisors (see below), whose sum is σ = 9055711435680. Its totient is φ = 716495844672.

The previous prime is 2686859427229. The next prime is 2686859427257. The reversal of 2686859427240 is 427249586862.

2686859427240 is a `hidden beast` number, since 2 + 68 + 68 + 59 + 427 + 2 + 40 = 666.

2686859427240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138203214 + ... + 138222653.

It is an arithmetic number, because the mean of its divisors is an integer number (94330327455).

Almost surely, 2^{2686859427240} is an apocalyptic number.

2686859427240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2686859427240 is an abundant number, since it is smaller than the sum of its proper divisors (6368852008440).

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

2686859427240 is a wasteful number, since it uses less digits than its factorization.

2686859427240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276425893 (or 276425877 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 63.

The spelling of 2686859427240 in words is "two trillion, six hundred eighty-six billion, eight hundred fifty-nine million, four hundred twenty-seven thousand, two hundred forty".