4085525718 has 96 divisors (see below), whose sum is σ = 9352392192. Its totient is φ = 1287316800.

The previous prime is 4085525707. The next prime is 4085525737. The reversal of 4085525718 is 8175255804.

4085525718 is a `hidden beast` number, since 40 + 8 + 552 + 57 + 1 + 8 = 666.

4085525718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9478963 + ... + 9479393.

It is an arithmetic number, because the mean of its divisors is an integer number (97420752).

Almost surely, 2^4085525718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4085525718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4676196096).

4085525718 is an abundant number, since it is smaller than the sum of its proper divisors (5266866474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4085525718 is a wasteful number, since it uses less digits than its factorization.

4085525718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The square root of 4085525718 is about 63918.1172907964. The cubic root of 4085525718 is about 1598.6349970083.

The spelling of 4085525718 in words is "four billion, eighty-five million, five hundred twenty-five thousand, seven hundred eighteen".