2812811160 has 128 divisors (see below), whose sum is σ = 8982835200. Its totient is φ = 702167040.

The previous prime is 2812811147. The next prime is 2812811161. The reversal of 2812811160 is 611182182.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812811161) 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, 386031 + ... + 393249.

It is an arithmetic number, because the mean of its divisors is an integer number (70178400).

Almost surely, 2^2812811160 is an apocalyptic number.

2812811160 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 2812811160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4491417600).

2812811160 is an abundant number, since it is smaller than the sum of its proper divisors (6170024040).

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

2812811160 is a wasteful number, since it uses less digits than its factorization.

2812811160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7441 (or 7437 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 30.

The square root of 2812811160 is about 53035.9421524686. The cubic root of 2812811160 is about 1411.6060970056.

The spelling of 2812811160 in words is "two billion, eight hundred twelve million, eight hundred eleven thousand, one hundred sixty".