4444252120 has 64 divisors (see below), whose sum is σ = 12467001600. Its totient is φ = 1385220480.

The previous prime is 4444252103. The next prime is 4444252129. The reversal of 4444252120 is 212524444.

It is a super-2 number, since 2×4444252120² = 39502753812248988800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444252129) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 718390 + ... + 724549.

It is an arithmetic number, because the mean of its divisors is an integer number (194796900).

Almost surely, 2^4444252120 is an apocalyptic number.

4444252120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4444252120 is an abundant number, since it is smaller than the sum of its proper divisors (8022749480).

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

4444252120 is a wasteful number, since it uses less digits than its factorization.

4444252120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442968 (or 1442964 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 4444252120 is about 66665.2242177284. The cubic root of 4444252120 is about 1644.1176669015.

Adding to 4444252120 its reverse (212524444), we get a palindrome (4656776564).

The spelling of 4444252120 in words is "four billion, four hundred forty-four million, two hundred fifty-two thousand, one hundred twenty".