40068564 has 12 divisors (see below), whose sum is σ = 93493344. Its totient is φ = 13356184.

The previous prime is 40068559. The next prime is 40068571. The reversal of 40068564 is 46586004.

It is a happy number.

40068564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1669512 + ... + 1669535.

It is an arithmetic number, because the mean of its divisors is an integer number (7791112).

Almost surely, 2^40068564 is an apocalyptic number.

It is an amenable number.

40068564 is an abundant number, since it is smaller than the sum of its proper divisors (53424780).

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

40068564 is a wasteful number, since it uses less digits than its factorization.

40068564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339054 (or 3339052 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 40068564 is about 6329.9734596600. The cubic root of 40068564 is about 342.1904824452.

The spelling of 40068564 in words is "forty million, sixty-eight thousand, five hundred sixty-four".