4421243244 has 96 divisors (see below), whose sum is σ = 11942816256. Its totient is φ = 1258132480.

The previous prime is 4421243243. The next prime is 4421243251. The reversal of 4421243244 is 4423421244.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (4421243243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1126774 + ... + 1130690.

It is an arithmetic number, because the mean of its divisors is an integer number (124404336).

Almost surely, 2^4421243244 is an apocalyptic number.

4421243244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4421243244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5971408128).

4421243244 is an abundant number, since it is smaller than the sum of its proper divisors (7521573012).

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

4421243244 is a wasteful number, since it uses less digits than its factorization.

4421243244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455 (or 4453 counting only the distinct ones).

The product of its digits is 24576, while the sum is 30.

The square root of 4421243244 is about 66492.4299751483. The cubic root of 4421243244 is about 1641.2754360473.

Adding to 4421243244 its reverse (4423421244), we get a palindrome (8844664488).

The spelling of 4421243244 in words is "four billion, four hundred twenty-one million, two hundred forty-three thousand, two hundred forty-four".