2815545964 has 48 divisors (see below), whose sum is σ = 6150977280. Its totient is φ = 1095543360.

The previous prime is 2815545949. The next prime is 2815546007. The reversal of 2815545964 is 4695455182.

It is a happy number.

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, 249819 + ... + 260845.

It is an arithmetic number, because the mean of its divisors is an integer number (128145360).

Almost surely, 2^2815545964 is an apocalyptic number.

It is an amenable number.

2815545964 is an abundant number, since it is smaller than the sum of its proper divisors (3335431316).

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

2815545964 is a wasteful number, since it uses less digits than its factorization.

2815545964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11878 (or 11876 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 49.

The square root of 2815545964 is about 53061.7184418296. The cubic root of 2815545964 is about 1412.0634349168.

The spelling of 2815545964 in words is "two billion, eight hundred fifteen million, five hundred forty-five thousand, nine hundred sixty-four".