4443232120 has 64 divisors (see below), whose sum is σ = 10076451840. Its totient is φ = 1763280000.

The previous prime is 4443232049. The next prime is 4443232127. The reversal of 4443232120 is 212323444.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4443232127) 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, 3121729 + ... + 3123151.

It is an arithmetic number, because the mean of its divisors is an integer number (157444560).

Almost surely, 2^4443232120 is an apocalyptic number.

4443232120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4443232120 is an abundant number, since it is smaller than the sum of its proper divisors (5633219720).

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

4443232120 is a wasteful number, since it uses less digits than its factorization.

4443232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1992 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4443232120 is about 66657.5736132062. The cubic root of 4443232120 is about 1643.9918768333.

Adding to 4443232120 its reverse (212323444), we get a palindrome (4655555564).

The spelling of 4443232120 in words is "four billion, four hundred forty-three million, two hundred thirty-two thousand, one hundred twenty".