2540568 has 32 divisors (see below), whose sum is σ = 6525360. Its totient is φ = 823680.

The previous prime is 2540567. The next prime is 2540581. The reversal of 2540568 is 8650452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543 + ... + 2318.

2^2540568 is an apocalyptic number.

It is an amenable number.

2540568 is an abundant number, since it is smaller than the sum of its proper divisors (3984792).

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

2540568 is a wasteful number, since it uses less digits than its factorization.

2540568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907 (or 2903 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 2540568 is about 1593.9159325385. The cubic root of 2540568 is about 136.4510686160.

The spelling of 2540568 in words is "two million, five hundred forty thousand, five hundred sixty-eight".