2855801312 has 96 divisors (see below), whose sum is σ = 7081062912. Its totient is φ = 1103445504.

The previous prime is 2855801297. The next prime is 2855801317. The reversal of 2855801312 is 2131085582.

It is a super-2 number, since 2×2855801312² = 16311202267241842688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855801317) 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, 113813 + ... + 136619.

It is an arithmetic number, because the mean of its divisors is an integer number (73761072).

Almost surely, 2^2855801312 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 2855801312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3540531456).

2855801312 is an abundant number, since it is smaller than the sum of its proper divisors (4225261600).

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

2855801312 is a wasteful number, since it uses less digits than its factorization.

2855801312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22880 (or 22872 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 2855801312 is about 53439.6979033377. The cubic root of 2855801312 is about 1418.7612869990.

Adding to 2855801312 its reverse (2131085582), we get a palindrome (4986886894).

The spelling of 2855801312 in words is "two billion, eight hundred fifty-five million, eight hundred one thousand, three hundred twelve".