440443212 has 48 divisors (see below), whose sum is σ = 1122844800. Its totient is φ = 133263360.

The previous prime is 440443189. The next prime is 440443217. The reversal of 440443212 is 212344044.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (440443217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99339 + ... + 103677.

It is an arithmetic number, because the mean of its divisors is an integer number (23392600).

Almost surely, 2^440443212 is an apocalyptic number.

It is an amenable number.

440443212 is an abundant number, since it is smaller than the sum of its proper divisors (682401588).

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

440443212 is a wasteful number, since it uses less digits than its factorization.

440443212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126 (or 5124 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 440443212 is about 20986.7389558264. The cubic root of 440443212 is about 760.8457873861.

Adding to 440443212 its reverse (212344044), we get a palindrome (652787256).

The spelling of 440443212 in words is "four hundred forty million, four hundred forty-three thousand, two hundred twelve".