2820718256 has 20 divisors (see below), whose sum is σ = 5557773000. Its totient is φ = 1386454272.

The previous prime is 2820718253. The next prime is 2820718267. The reversal of 2820718256 is 6528170282.

It is not an unprimeable number, because it can be changed into a prime (2820718253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493081 + ... + 1494968.

It is an arithmetic number, because the mean of its divisors is an integer number (277888650).

Almost surely, 2^2820718256 is an apocalyptic number.

It is an amenable number.

2820718256 is a deficient number, since it is larger than the sum of its proper divisors (2737054744).

2820718256 is a wasteful number, since it uses less digits than its factorization.

2820718256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988116 (or 2988110 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 2820718256 is about 53110.4345303256. The cubic root of 2820718256 is about 1412.9275818950.

The spelling of 2820718256 in words is "two billion, eight hundred twenty million, seven hundred eighteen thousand, two hundred fifty-six".