4244440212 has 72 divisors (see below), whose sum is σ = 11004837480. Its totient is φ = 1378529280.

The previous prime is 4244440183. The next prime is 4244440223. The reversal of 4244440212 is 2120444424.

4244440212 is a `hidden beast` number, since 4 + 2 + 4 + 4 + 440 + 212 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 115863696 + 4128576516 = 10764^2 + 64254^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1635588 + ... + 1638180.

It is an arithmetic number, because the mean of its divisors is an integer number (152844965).

Almost surely, 2^4244440212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4244440212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5502418740).

4244440212 is an abundant number, since it is smaller than the sum of its proper divisors (6760397268).

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

4244440212 is a wasteful number, since it uses less digits than its factorization.

4244440212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753 (or 3748 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 4244440212 is about 65149.3684696943. The cubic root of 4244440212 is about 1619.0992569257.

Adding to 4244440212 its reverse (2120444424), we get a palindrome (6364884636).

The spelling of 4244440212 in words is "four billion, two hundred forty-four million, four hundred forty thousand, two hundred twelve".