3686684840344 has 32 divisors (see below), whose sum is σ = 7564734795600. Its totient is φ = 1670479496320.

The previous prime is 3686684840317. The next prime is 3686684840381. The reversal of 3686684840344 is 4430484866863.

3686684840344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3686684840344³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 66051199 + ... + 66106990.

Almost surely, 2^{3686684840344} is an apocalyptic number.

It is an amenable number.

3686684840344 is an abundant number, since it is smaller than the sum of its proper divisors (3878049955256).

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

3686684840344 is a wasteful number, since it uses less digits than its factorization.

3686684840344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132158523 (or 132158519 counting only the distinct ones).

The product of its (nonzero) digits is 254803968, while the sum is 64.

The spelling of 3686684840344 in words is "three trillion, six hundred eighty-six billion, six hundred eighty-four million, eight hundred forty thousand, three hundred forty-four".