2815645260 has 48 divisors (see below), whose sum is σ = 7890849792. Its totient is φ = 750168000.

The previous prime is 2815645253. The next prime is 2815645279. The reversal of 2815645260 is 625465182.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48675 + ... + 89445.

It is an arithmetic number, because the mean of its divisors is an integer number (164392704).

Almost surely, 2^2815645260 is an apocalyptic number.

2815645260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2815645260 is an abundant number, since it is smaller than the sum of its proper divisors (5075204532).

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

2815645260 is a wasteful number, since it uses less digits than its factorization.

2815645260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41934 (or 41932 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 2815645260 is about 53062.6540987162. The cubic root of 2815645260 is about 1412.0800344922.

The spelling of 2815645260 in words is "two billion, eight hundred fifteen million, six hundred forty-five thousand, two hundred sixty".