40945868 has 12 divisors (see below), whose sum is σ = 71813280. Its totient is φ = 20427792.

The previous prime is 40945867. The next prime is 40945873. The reversal of 40945868 is 86854904.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40945867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9203 + ... + 12906.

It is an arithmetic number, because the mean of its divisors is an integer number (5984440).

Almost surely, 2^40945868 is an apocalyptic number.

It is an amenable number.

40945868 is a deficient number, since it is larger than the sum of its proper divisors (30867412).

40945868 is a wasteful number, since it uses less digits than its factorization.

40945868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22576 (or 22574 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 40945868 is about 6398.8958422528. The cubic root of 40945868 is about 344.6699020024.

The spelling of 40945868 in words is "forty million, nine hundred forty-five thousand, eight hundred sixty-eight".