2680646244 has 12 divisors (see below), whose sum is σ = 6254841264. Its totient is φ = 893548744.

The previous prime is 2680646231. The next prime is 2680646261. The reversal of 2680646244 is 4426460862.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2680646196 and 2680646205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111693582 + ... + 111693605.

It is an arithmetic number, because the mean of its divisors is an integer number (521236772).

Almost surely, 2^2680646244 is an apocalyptic number.

It is an amenable number.

2680646244 is an abundant number, since it is smaller than the sum of its proper divisors (3574195020).

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

2680646244 is a wasteful number, since it uses less digits than its factorization.

2680646244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223387194 (or 223387192 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The square root of 2680646244 is about 51774.9576919190. The cubic root of 2680646244 is about 1389.1415509229.

The spelling of 2680646244 in words is "two billion, six hundred eighty million, six hundred forty-six thousand, two hundred forty-four".