2686802820 has 48 divisors (see below), whose sum is σ = 8101746240. Its totient is φ = 661366656.

The previous prime is 2686802813. The next prime is 2686802861. The reversal of 2686802820 is 282086862.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1721530 + ... + 1723089.

It is an arithmetic number, because the mean of its divisors is an integer number (168786380).

Almost surely, 2^2686802820 is an apocalyptic number.

2686802820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2686802820 is an abundant number, since it is smaller than the sum of its proper divisors (5414943420).

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

2686802820 is a wasteful number, since it uses less digits than its factorization.

2686802820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444644 (or 3444642 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 2686802820 is about 51834.3787461565. The cubic root of 2686802820 is about 1390.2042071839.

The spelling of 2686802820 in words is "two billion, six hundred eighty-six million, eight hundred two thousand, eight hundred twenty".