40073318 has 48 divisors (see below), whose sum is σ = 69627600. Its totient is φ = 17233920.

The previous prime is 40073269. The next prime is 40073321. The reversal of 40073318 is 81337004.

40073318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 450218 + ... + 450306.

It is an arithmetic number, because the mean of its divisors is an integer number (1450575).

Almost surely, 2^40073318 is an apocalyptic number.

40073318 is a deficient number, since it is larger than the sum of its proper divisors (29554282).

40073318 is a wasteful number, since it uses less digits than its factorization.

40073318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 40073318 is about 6330.3489635248. The cubic root of 40073318 is about 342.2040151589.

The spelling of 40073318 in words is "forty million, seventy-three thousand, three hundred eighteen".