440534212 has 12 divisors (see below), whose sum is σ = 771536556. Its totient is φ = 220095200.

The previous prime is 440534207. The next prime is 440534221. The reversal of 440534212 is 212435044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7311616 + 433222596 = 2704^2 + 20814^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37123 + ... + 47530.

It is an arithmetic number, because the mean of its divisors is an integer number (64294713).

Almost surely, 2^440534212 is an apocalyptic number.

It is an amenable number.

440534212 is a deficient number, since it is larger than the sum of its proper divisors (331002344).

440534212 is a wasteful number, since it uses less digits than its factorization.

440534212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85958 (or 85956 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 440534212 is about 20988.9068795876. The cubic root of 440534212 is about 760.8981832432.

Adding to 440534212 its reverse (212435044), we get a palindrome (652969256).

The spelling of 440534212 in words is "four hundred forty million, five hundred thirty-four thousand, two hundred twelve".