2568651020 has 24 divisors (see below), whose sum is σ = 5809103664. Its totient is φ = 948424896.

The previous prime is 2568650969. The next prime is 2568651031. The reversal of 2568651020 is 201568652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4939454 + ... + 4939973.

It is an arithmetic number, because the mean of its divisors is an integer number (242045986).

Almost surely, 2^2568651020 is an apocalyptic number.

2568651020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2568651020 is an abundant number, since it is smaller than the sum of its proper divisors (3240452644).

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

2568651020 is a wasteful number, since it uses less digits than its factorization.

2568651020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9879449 (or 9879447 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 2568651020 is about 50681.8608577073. The cubic root of 2568651020 is about 1369.5199660846.

The spelling of 2568651020 in words is "two billion, five hundred sixty-eight million, six hundred fifty-one thousand, twenty".