4085500071 has 32 divisors (see below), whose sum is σ = 5726204928. Its totient is φ = 2588826240.

The previous prime is 4085500043. The next prime is 4085500087. The reversal of 4085500071 is 1700055804.

It is not a de Polignac number, because 4085500071 - 2⁶ = 4085500007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085500021) 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 31 ways as a sum of consecutive naturals, for example, 646690 + ... + 652976.

It is an arithmetic number, because the mean of its divisors is an integer number (178943904).

Almost surely, 2^4085500071 is an apocalyptic number.

4085500071 is a deficient number, since it is larger than the sum of its proper divisors (1640704857).

4085500071 is a wasteful number, since it uses less digits than its factorization.

4085500071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 4085500071 is about 63917.9166666123. The cubic root of 4085500071 is about 1598.6316518430.

Adding to 4085500071 its reverse (1700055804), we get a palindrome (5785555875).

The spelling of 4085500071 in words is "four billion, eighty-five million, five hundred thousand, seventy-one".