40707165 has 8 divisors (see below), whose sum is σ = 65131488. Its totient is φ = 21710480.

The previous prime is 40707143. The next prime is 40707167. The reversal of 40707165 is 56170704.

It is a happy number.

40707165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40707165 - 2⁵ = 40707133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40707167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1356891 + ... + 1356920.

It is an arithmetic number, because the mean of its divisors is an integer number (8141436).

Almost surely, 2^40707165 is an apocalyptic number.

It is an amenable number.

40707165 is a deficient number, since it is larger than the sum of its proper divisors (24424323).

40707165 is a wasteful number, since it uses less digits than its factorization.

40707165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713819.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 40707165 is about 6380.2166891102. The cubic root of 40707165 is about 343.9988197409.

Adding to 40707165 its reverse (56170704), we get a palindrome (96877869).

The spelling of 40707165 in words is "forty million, seven hundred seven thousand, one hundred sixty-five".