40683965 has 24 divisors (see below), whose sum is σ = 57133152. Its totient is φ = 27730080.

The previous prime is 40683961. The next prime is 40683967. The reversal of 40683965 is 56938604.

It is not a de Polignac number, because 40683965 - 2² = 40683961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40683961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51302 + ... + 52088.

It is an arithmetic number, because the mean of its divisors is an integer number (2380548).

Almost surely, 2^40683965 is an apocalyptic number.

It is an amenable number.

40683965 is a deficient number, since it is larger than the sum of its proper divisors (16449187).

40683965 is a wasteful number, since it uses less digits than its factorization.

40683965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 1010 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 40683965 is about 6378.3983099208. The cubic root of 40683965 is about 343.9334562334.

The spelling of 40683965 in words is "forty million, six hundred eighty-three thousand, nine hundred sixty-five".