40694068 has 12 divisors (see below), whose sum is σ = 71400420. Its totient is φ = 20293952.

The previous prime is 40694033. The next prime is 40694077. The reversal of 40694068 is 86049604.

40694068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7193124 + 33500944 = 2682^2 + 5788^2 .

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, 11521 + ... + 14632.

It is an arithmetic number, because the mean of its divisors is an integer number (5950035).

Almost surely, 2^40694068 is an apocalyptic number.

It is an amenable number.

40694068 is a deficient number, since it is larger than the sum of its proper divisors (30706352).

40694068 is a wasteful number, since it uses less digits than its factorization.

40694068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26546 (or 26544 counting only the distinct ones).

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

The square root of 40694068 is about 6379.1902307425. The cubic root of 40694068 is about 343.9619234041.

The spelling of 40694068 in words is "forty million, six hundred ninety-four thousand, sixty-eight".