2816831640 has 192 divisors, whose sum is σ = 9927740160. Its totient is φ = 637459200.

The previous prime is 2816831627. The next prime is 2816831707. The reversal of 2816831640 is 461386182.

2816831640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 603315 + ... + 607965.

It is an arithmetic number, because the mean of its divisors is an integer number (51706980).

Almost surely, 2^2816831640 is an apocalyptic number.

2816831640 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 2816831640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4963870080).

2816831640 is an abundant number, since it is smaller than the sum of its proper divisors (7110908520).

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

2816831640 is a wasteful number, since it uses less digits than its factorization.

2816831640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782 (or 4771 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 2816831640 is about 53073.8319701904. The cubic root of 2816831640 is about 1412.2783345998.

The spelling of 2816831640 in words is "two billion, eight hundred sixteen million, eight hundred thirty-one thousand, six hundred forty".