2646826860 has 48 divisors (see below), whose sum is σ = 7420089600. Its totient is φ = 704965824.

The previous prime is 2646826843. The next prime is 2646826891. The reversal of 2646826860 is 686286462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24051 + ... + 76629.

It is an arithmetic number, because the mean of its divisors is an integer number (154585200).

Almost surely, 2^2646826860 is an apocalyptic number.

2646826860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2646826860 is an abundant number, since it is smaller than the sum of its proper divisors (4773262740).

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

2646826860 is a wasteful number, since it uses less digits than its factorization.

2646826860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53430 (or 53428 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The square root of 2646826860 is about 51447.3212130622. The cubic root of 2646826860 is about 1383.2749461333.

The spelling of 2646826860 in words is "two billion, six hundred forty-six million, eight hundred twenty-six thousand, eight hundred sixty".