40104068 has 24 divisors (see below), whose sum is σ = 72663864. Its totient is φ = 19353600.

The previous prime is 40104067. The next prime is 40104089. The reversal of 40104068 is 86040104.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3356224 + 36747844 = 1832^2 + 6062^2 .

It is not an unprimeable number, because it can be changed into a prime (40104061) 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 7 ways as a sum of consecutive naturals, for example, 14648 + ... + 17168.

It is an arithmetic number, because the mean of its divisors is an integer number (3027661).

Almost surely, 2^40104068 is an apocalyptic number.

It is an amenable number.

40104068 is a deficient number, since it is larger than the sum of its proper divisors (32559796).

40104068 is a wasteful number, since it uses less digits than its factorization.

40104068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 2661 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 40104068 is about 6332.7772738349. Note that the first 3 decimals coincide. The cubic root of 40104068 is about 342.2915221221.

The spelling of 40104068 in words is "forty million, one hundred four thousand, sixty-eight".