4040885165 has 8 divisors (see below), whose sum is σ = 4850903160. Its totient is φ = 3231480832.

The previous prime is 4040885137. The next prime is 4040885171. The reversal of 4040885165 is 5615880404.

It can be written as a sum of positive squares in 4 ways, for example, as 644093641 + 3396791524 = 25379^2 + 58282^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4040885165 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 138800 + ... + 165369.

It is an arithmetic number, because the mean of its divisors is an integer number (606362895).

Almost surely, 2^4040885165 is an apocalyptic number.

It is an amenable number.

4040885165 is a deficient number, since it is larger than the sum of its proper divisors (810017995).

4040885165 is a wasteful number, since it uses less digits than its factorization.

4040885165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306831.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 4040885165 is about 63567.9570617147. The cubic root of 4040885165 is about 1592.7911583482.

The spelling of 4040885165 in words is "four billion, forty million, eight hundred eighty-five thousand, one hundred sixty-five".