4443421330 has 16 divisors (see below), whose sum is σ = 8193236184. Its totient is φ = 1734017920.

The previous prime is 4443421321. The next prime is 4443421337. The reversal of 4443421330 is 331243444.

It can be written as a sum of positive squares in 4 ways, for example, as 1861663609 + 2581757721 = 43147^2 + 50811^2 .

It is not an unprimeable number, because it can be changed into a prime (4443421337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5418397 + ... + 5419216.

Almost surely, 2^4443421330 is an apocalyptic number.

4443421330 is a deficient number, since it is larger than the sum of its proper divisors (3749814854).

4443421330 is a wasteful number, since it uses less digits than its factorization.

4443421330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10837661.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 4443421330 is about 66658.9928666793. The cubic root of 4443421330 is about 1644.0152123452.

Adding to 4443421330 its reverse (331243444), we get a palindrome (4774664774).

The spelling of 4443421330 in words is "four billion, four hundred forty-three million, four hundred twenty-one thousand, three hundred thirty".