4000050085 has 16 divisors (see below), whose sum is σ = 4822364160. Its totient is φ = 3185207680.

The previous prime is 4000050059. The next prime is 4000050097. The reversal of 4000050085 is 5800500004.

It is a happy number.

It is not a de Polignac number, because 4000050085 - 2⁷ = 4000049957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087800 + ... + 1091470.

It is an arithmetic number, because the mean of its divisors is an integer number (301397760).

Almost surely, 2^4000050085 is an apocalyptic number.

It is an amenable number.

4000050085 is a deficient number, since it is larger than the sum of its proper divisors (822314075).

4000050085 is a wasteful number, since it uses less digits than its factorization.

4000050085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 4000050085 is about 63245.9491588197. The cubic root of 4000050085 is about 1587.4076773557.

Adding to 4000050085 its reverse (5800500004), we get a palindrome (9800550089).

The spelling of 4000050085 in words is "four billion, fifty thousand, eighty-five".