2855884560 has 160 divisors (see below), whose sum is σ = 9134653440. Its totient is φ = 737662464.

The previous prime is 2855884543. The next prime is 2855884567. The reversal of 2855884560 is 654885582.

It is not an unprimeable number, because it can be changed into a prime (2855884567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1309551 + ... + 1311729.

It is an arithmetic number, because the mean of its divisors is an integer number (57091584).

Almost surely, 2^2855884560 is an apocalyptic number.

2855884560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2855884560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4567326720).

2855884560 is an abundant number, since it is smaller than the sum of its proper divisors (6278768880).

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

2855884560 is a wasteful number, since it uses less digits than its factorization.

2855884560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365 (or 2359 counting only the distinct ones).

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

The square root of 2855884560 is about 53440.4767942802. The cubic root of 2855884560 is about 1418.7750727261.

The spelling of 2855884560 in words is "two billion, eight hundred fifty-five million, eight hundred eighty-four thousand, five hundred sixty".