4044421212 has 48 divisors (see below), whose sum is σ = 10207374240. Its totient is φ = 1238992128.

The previous prime is 4044421211. The next prime is 4044421219. The reversal of 4044421212 is 2121244404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044421211) 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, 20883 + ... + 92330.

It is an arithmetic number, because the mean of its divisors is an integer number (212653630).

Almost surely, 2^4044421212 is an apocalyptic number.

It is an amenable number.

4044421212 is an abundant number, since it is smaller than the sum of its proper divisors (6162953028).

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

4044421212 is a wasteful number, since it uses less digits than its factorization.

4044421212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113462 (or 113460 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 4044421212 is about 63595.7641042232. The cubic root of 4044421212 is about 1593.2556227843.

Adding to 4044421212 its reverse (2121244404), we get a palindrome (6165665616).

The spelling of 4044421212 in words is "four billion, forty-four million, four hundred twenty-one thousand, two hundred twelve".