4443142320 has 60 divisors (see below), whose sum is σ = 14921555376. Its totient is φ = 1184837760.

The previous prime is 4443142307. The next prime is 4443142337. The reversal of 4443142320 is 232413444.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3084796 + ... + 3086235.

Almost surely, 2^4443142320 is an apocalyptic number.

4443142320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4443142320 is an abundant number, since it is smaller than the sum of its proper divisors (10478413056).

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

4443142320 is a wasteful number, since it uses less digits than its factorization.

4443142320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171050 (or 6171041 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 4443142320 is about 66656.9000179276. The cubic root of 4443142320 is about 1643.9808014523.

Adding to 4443142320 its reverse (232413444), we get a palindrome (4675555764).

The spelling of 4443142320 in words is "four billion, four hundred forty-three million, one hundred forty-two thousand, three hundred twenty".