2855163844 has 48 divisors (see below), whose sum is σ = 5452876800. Its totient is φ = 1300260096.

The previous prime is 2855163797. The next prime is 2855163847. The reversal of 2855163844 is 4483615582.

2855163844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2855163794 and 2855163803.

It is not an unprimeable number, because it can be changed into a prime (2855163847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1274077 + ... + 1276315.

It is an arithmetic number, because the mean of its divisors is an integer number (113601600).

Almost surely, 2^2855163844 is an apocalyptic number.

It is an amenable number.

2855163844 is a deficient number, since it is larger than the sum of its proper divisors (2597712956).

2855163844 is a wasteful number, since it uses less digits than its factorization.

2855163844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572 (or 2570 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The square root of 2855163844 is about 53433.7332029122. The cubic root of 2855163844 is about 1418.6557145025.

The spelling of 2855163844 in words is "two billion, eight hundred fifty-five million, one hundred sixty-three thousand, eight hundred forty-four".