40367968 has 24 divisors (see below), whose sum is σ = 79644600. Its totient is φ = 20140800.

The previous prime is 40367953. The next prime is 40367981. The reversal of 40367968 is 86976304.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18183 + ... + 20281.

It is an arithmetic number, because the mean of its divisors is an integer number (3318525).

Almost surely, 2^40367968 is an apocalyptic number.

It is an amenable number.

40367968 is a deficient number, since it is larger than the sum of its proper divisors (39276632).

40367968 is a wasteful number, since it uses less digits than its factorization.

40367968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 40367968 is about 6353.5791487948. The cubic root of 40367968 is about 343.0406840028.

The spelling of 40367968 in words is "forty million, three hundred sixty-seven thousand, nine hundred sixty-eight".