2855995992 has 96 divisors (see below), whose sum is σ = 7860902400. Its totient is φ = 936591552.

The previous prime is 2855995991. The next prime is 2855996023. The reversal of 2855995992 is 2995995582.

2855995992 is a `hidden beast` number, since 28 + 559 + 9 + 59 + 9 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855995991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1973013 + ... + 1974459.

It is an arithmetic number, because the mean of its divisors is an integer number (81884400).

Almost surely, 2^2855995992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2855995992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3930451200).

2855995992 is an abundant number, since it is smaller than the sum of its proper divisors (5004906408).

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

2855995992 is a wasteful number, since it uses less digits than its factorization.

2855995992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1878 counting only the distinct ones).

The product of its digits is 26244000, while the sum is 63.

The square root of 2855995992 is about 53441.5193646288. The cubic root of 2855995992 is about 1418.7935252562.

The spelling of 2855995992 in words is "two billion, eight hundred fifty-five million, nine hundred ninety-five thousand, nine hundred ninety-two".