2855580864 has 56 divisors (see below), whose sum is σ = 7565276208. Its totient is φ = 950615040.

The previous prime is 2855580859. The next prime is 2855580883. The reversal of 2855580864 is 4680855582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143694 + ... + 162354.

It is an arithmetic number, because the mean of its divisors is an integer number (135094218).

Almost surely, 2^2855580864 is an apocalyptic number.

2855580864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2855580864 is an abundant number, since it is smaller than the sum of its proper divisors (4709695344).

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

2855580864 is a wasteful number, since it uses less digits than its factorization.

2855580864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19473 (or 19463 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 51.

The square root of 2855580864 is about 53437.6352770218. The cubic root of 2855580864 is about 1418.7247798916.

The spelling of 2855580864 in words is "two billion, eight hundred fifty-five million, five hundred eighty thousand, eight hundred sixty-four".