2568422636 has 48 divisors (see below), whose sum is σ = 4984410144. Its totient is φ = 1150350336.

The previous prime is 2568422579. The next prime is 2568422639. The reversal of 2568422636 is 6362248652.

It is not an unprimeable number, because it can be changed into a prime (2568422639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831551 + ... + 834633.

It is an arithmetic number, because the mean of its divisors is an integer number (103841878).

Almost surely, 2^2568422636 is an apocalyptic number.

2568422636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2568422636 is a deficient number, since it is larger than the sum of its proper divisors (2415987508).

2568422636 is a wasteful number, since it uses less digits than its factorization.

2568422636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570 (or 3568 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

The square root of 2568422636 is about 50679.6076938249. The cubic root of 2568422636 is about 1369.4793759440.

The spelling of 2568422636 in words is "two billion, five hundred sixty-eight million, four hundred twenty-two thousand, six hundred thirty-six".