4040235172 has 6 divisors (see below), whose sum is σ = 7070411558. Its totient is φ = 2020117584.

The previous prime is 4040235119. The next prime is 4040235247. The reversal of 4040235172 is 2715320404.

It can be written as a sum of positive squares in only one way, i.e., 3398423616 + 641811556 = 58296^2 + 25334^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4040235172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505029393 + ... + 505029400.

Almost surely, 2^4040235172 is an apocalyptic number.

It is an amenable number.

4040235172 is a deficient number, since it is larger than the sum of its proper divisors (3030176386).

4040235172 is a wasteful number, since it uses less digits than its factorization.

4040235172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010058797 (or 1010058795 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 4040235172 is about 63562.8442724207. The cubic root of 4040235172 is about 1592.7057514323.

Adding to 4040235172 its reverse (2715320404), we get a palindrome (6755555576).

The spelling of 4040235172 in words is "four billion, forty million, two hundred thirty-five thousand, one hundred seventy-two".