2686836720 has 40 divisors (see below), whose sum is σ = 8329194576. Its totient is φ = 716489728.

The previous prime is 2686836709. The next prime is 2686836751. The reversal of 2686836720 is 276386862.

It is a happy number.

2686836720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2686836720.

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, 5597337 + ... + 5597816.

Almost surely, 2^2686836720 is an apocalyptic number.

2686836720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2686836720 is an abundant number, since it is smaller than the sum of its proper divisors (5642357856).

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

2686836720 is a wasteful number, since it uses less digits than its factorization.

2686836720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11195169 (or 11195163 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 2686836720 is about 51834.7057481761. The cubic root of 2686836720 is about 1390.2100539998.

The spelling of 2686836720 in words is "two billion, six hundred eighty-six million, eight hundred thirty-six thousand, seven hundred twenty".