4442347252 has 72 divisors (see below), whose sum is σ = 9376819200. Its totient is φ = 1833967296.

The previous prime is 4442347207. The next prime is 4442347267. The reversal of 4442347252 is 2527432444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4086253 + ... + 4087339.

It is an arithmetic number, because the mean of its divisors is an integer number (130233600).

Almost surely, 2^4442347252 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 4442347252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4688409600).

4442347252 is an abundant number, since it is smaller than the sum of its proper divisors (4934471948).

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

4442347252 is a wasteful number, since it uses less digits than its factorization.

4442347252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853 (or 1844 counting only the distinct ones).

The product of its digits is 215040, while the sum is 37.

The square root of 4442347252 is about 66650.9358673980. The cubic root of 4442347252 is about 1643.8827361339.

Adding to 4442347252 its reverse (2527432444), we get a palindrome (6969779696).

The spelling of 4442347252 in words is "four billion, four hundred forty-two million, three hundred forty-seven thousand, two hundred fifty-two".