2810564980 has 12 divisors (see below), whose sum is σ = 5902186500. Its totient is φ = 1124225984.

The previous prime is 2810564951. The next prime is 2810564989. The reversal of 2810564980 is 894650182.

It is a happy number.

2810564980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1723412196 + 1087152784 = 41514^2 + 32972^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2810564989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70264105 + ... + 70264144.

It is an arithmetic number, because the mean of its divisors is an integer number (491848875).

Almost surely, 2^2810564980 is an apocalyptic number.

2810564980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2810564980 is an abundant number, since it is smaller than the sum of its proper divisors (3091621520).

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

2810564980 is a wasteful number, since it uses less digits than its factorization.

2810564980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140528258 (or 140528256 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 2810564980 is about 53014.7619064728. The cubic root of 2810564980 is about 1411.2302493128.

The spelling of 2810564980 in words is "two billion, eight hundred ten million, five hundred sixty-four thousand, nine hundred eighty".