4085433172 has 12 divisors (see below), whose sum is σ = 7150046260. Its totient is φ = 2042562816.

The previous prime is 4085433137. The next prime is 4085433173. The reversal of 4085433172 is 2713345804.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2708577936 + 1376855236 = 52044^2 + 37106^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085433173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38404 + ... + 98212.

Almost surely, 2^4085433172 is an apocalyptic number.

It is an amenable number.

4085433172 is a deficient number, since it is larger than the sum of its proper divisors (3064613088).

4085433172 is a wasteful number, since it uses less digits than its factorization.

4085433172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76890 (or 76888 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 4085433172 is about 63917.3933448478. The cubic root of 4085433172 is about 1598.6229260696.

Adding to 4085433172 its reverse (2713345804), we get a palindrome (6798778976).

The spelling of 4085433172 in words is "four billion, eighty-five million, four hundred thirty-three thousand, one hundred seventy-two".