40032065 has 8 divisors (see below), whose sum is σ = 48647040. Its totient is φ = 31619952.

The previous prime is 40032053. The next prime is 40032079. The reversal of 40032065 is 56023004.

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 40032065 - 2⁴ = 40032049 is a prime.

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, 50279 + ... + 51068.

It is an arithmetic number, because the mean of its divisors is an integer number (6080880).

Almost surely, 2^40032065 is an apocalyptic number.

It is an amenable number.

40032065 is a deficient number, since it is larger than the sum of its proper divisors (8614975).

40032065 is a wasteful number, since it uses less digits than its factorization.

40032065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101431.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40032065 is about 6327.0897733476. The cubic root of 40032065 is about 342.0865488922.

Adding to 40032065 its reverse (56023004), we get a palindrome (96055069).

The spelling of 40032065 in words is "forty million, thirty-two thousand, sixty-five".