40366965 has 8 divisors (see below), whose sum is σ = 64587168. Its totient is φ = 21529040.

The previous prime is 40366961. The next prime is 40366969. The reversal of 40366965 is 56966304.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40366961) and next prime (40366969).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40366965 - 2² = 40366961 is a prime.

It is a super-2 number, since 2×40366965² = 3258983726622450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40366961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1345551 + ... + 1345580.

It is an arithmetic number, because the mean of its divisors is an integer number (8073396).

Almost surely, 2^40366965 is an apocalyptic number.

It is an amenable number.

40366965 is a deficient number, since it is larger than the sum of its proper divisors (24220203).

40366965 is a wasteful number, since it uses less digits than its factorization.

40366965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691139.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 40366965 is about 6353.5002164161. The cubic root of 40366965 is about 343.0378428669.

The spelling of 40366965 in words is "forty million, three hundred sixty-six thousand, nine hundred sixty-five".