40616668 has 12 divisors (see below), whose sum is σ = 71351280. Its totient is φ = 20230592.

The previous prime is 40616659. The next prime is 40616669. The reversal of 40616668 is 86661604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40616669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18253 + ... + 20356.

It is an arithmetic number, because the mean of its divisors is an integer number (5945940).

Almost surely, 2^40616668 is an apocalyptic number.

It is an amenable number.

40616668 is a deficient number, since it is larger than the sum of its proper divisors (30734612).

40616668 is a wasteful number, since it uses less digits than its factorization.

40616668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38876 (or 38874 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 40616668 is about 6373.1207426190. The cubic root of 40616668 is about 343.7437134718.

The spelling of 40616668 in words is "forty million, six hundred sixteen thousand, six hundred sixty-eight".