2568550940 has 24 divisors (see below), whose sum is σ = 5508724032. Its totient is φ = 1005560000.

The previous prime is 2568550931. The next prime is 2568550969. The reversal of 2568550940 is 490558652.

It is a junction number, because it is equal to n+sod(n) for n = 2568550891 and 2568550900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365311 + ... + 1367190.

It is an arithmetic number, because the mean of its divisors is an integer number (229530168).

Almost surely, 2^2568550940 is an apocalyptic number.

2568550940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2568550940 is an abundant number, since it is smaller than the sum of its proper divisors (2940173092).

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

2568550940 is a wasteful number, since it uses less digits than its factorization.

2568550940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732557 (or 2732555 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The square root of 2568550940 is about 50680.8735125984. The cubic root of 2568550940 is about 1369.5021794024.

The spelling of 2568550940 in words is "two billion, five hundred sixty-eight million, five hundred fifty thousand, nine hundred forty".