2686684840344 has 48 divisors (see below), whose sum is σ = 7289226336600. Its totient is φ = 893987677824.

The previous prime is 2686684840337. The next prime is 2686684840423. The reversal of 2686684840344 is 4430484866862.

2686684840344 is a `hidden beast` number, since 2 + 68 + 6 + 68 + 484 + 0 + 34 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32749074 + ... + 32831009.

Almost surely, 2^{2686684840344} is an apocalyptic number.

2686684840344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2686684840344 is an abundant number, since it is smaller than the sum of its proper divisors (4602541496256).

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

2686684840344 is a wasteful number, since it uses less digits than its factorization.

2686684840344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65580664 (or 65580657 counting only the distinct ones).

The product of its (nonzero) digits is 169869312, while the sum is 63.

The spelling of 2686684840344 in words is "two trillion, six hundred eighty-six billion, six hundred eighty-four million, eight hundred forty thousand, three hundred forty-four".