4442507244 has 108 divisors (see below), whose sum is σ = 12947595024. Its totient is φ = 1258141248.

The previous prime is 4442507233. The next prime is 4442507261. The reversal of 4442507244 is 4427052444.

It is a super-2 number, since 2×4442507244² = 39471741225984951072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4442507199 and 4442507208.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4063962 + ... + 4065054.

Almost surely, 2^4442507244 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 4442507244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6473797512).

4442507244 is an abundant number, since it is smaller than the sum of its proper divisors (8505087780).

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

4442507244 is a wasteful number, since it uses less digits than its factorization.

4442507244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 36.

The square root of 4442507244 is about 66652.1360797987. The cubic root of 4442507244 is about 1643.9024708158.

Adding to 4442507244 its reverse (4427052444), we get a palindrome (8869559688).

The spelling of 4442507244 in words is "four billion, four hundred forty-two million, five hundred seven thousand, two hundred forty-four".