40568568 has 16 divisors (see below), whose sum is σ = 101421480. Its totient is φ = 13522848.

The previous prime is 40568519. The next prime is 40568597. The reversal of 40568568 is 86586504.

40568568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845155 + ... + 845202.

Almost surely, 2^40568568 is an apocalyptic number.

It is an amenable number.

40568568 is an abundant number, since it is smaller than the sum of its proper divisors (60852912).

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

40568568 is a wasteful number, since it uses less digits than its factorization.

40568568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690366 (or 1690362 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 40568568 is about 6369.3459632838. The cubic root of 40568568 is about 343.6079678570.

The spelling of 40568568 in words is "forty million, five hundred sixty-eight thousand, five hundred sixty-eight".