2686804416 has 42 divisors (see below), whose sum is σ = 7701241392. Its totient is φ = 895601280.

The previous prime is 2686804391. The next prime is 2686804429. The reversal of 2686804416 is 6144086862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2331720 + ... + 2332871.

Almost surely, 2^2686804416 is an apocalyptic number.

It is an amenable number.

2686804416 is an abundant number, since it is smaller than the sum of its proper divisors (5014436976).

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

2686804416 is a wasteful number, since it uses less digits than its factorization.

2686804416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664609 (or 4664596 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 2686804416 is about 51834.3941413421. The cubic root of 2686804416 is about 1390.2044824510.

The spelling of 2686804416 in words is "two billion, six hundred eighty-six million, eight hundred four thousand, four hundred sixteen".