40865965 has 8 divisors (see below), whose sum is σ = 56044800. Its totient is φ = 28022352.

The previous prime is 40865947. The next prime is 40866037. The reversal of 40865965 is 56956804.

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

It is a cyclic number.

It is not a de Polignac number, because 40865965 - 2⁷ = 40865837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583765 + ... + 583834.

It is an arithmetic number, because the mean of its divisors is an integer number (7005600).

Almost surely, 2^40865965 is an apocalyptic number.

It is an amenable number.

40865965 is a deficient number, since it is larger than the sum of its proper divisors (15178835).

40865965 is a wasteful number, since it uses less digits than its factorization.

40865965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167611.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 40865965 is about 6392.6492943067. The cubic root of 40865965 is about 344.4455562650.

The spelling of 40865965 in words is "forty million, eight hundred sixty-five thousand, nine hundred sixty-five".