40344368 has 20 divisors (see below), whose sum is σ = 78287400. Its totient is φ = 20141184.

The previous prime is 40344329. The next prime is 40344371. The reversal of 40344368 is 86344304.

40344368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 11708 + ... + 14756.

It is an arithmetic number, because the mean of its divisors is an integer number (3914370).

Almost surely, 2^40344368 is an apocalyptic number.

It is an amenable number.

40344368 is a deficient number, since it is larger than the sum of its proper divisors (37943032).

40344368 is a wasteful number, since it uses less digits than its factorization.

40344368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884 (or 3878 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 40344368 is about 6351.7216563700. The cubic root of 40344368 is about 342.9738212673.

The spelling of 40344368 in words is "forty million, three hundred forty-four thousand, three hundred sixty-eight".