4423881628 has 12 divisors (see below), whose sum is σ = 7857342472. Its totient is φ = 2178926640.

The previous prime is 4423881601. The next prime is 4423881641. The reversal of 4423881628 is 8261883244.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8253243 + ... + 8253778.

Almost surely, 2^4423881628 is an apocalyptic number.

It is an amenable number.

4423881628 is a deficient number, since it is larger than the sum of its proper divisors (3433460844).

4423881628 is a wasteful number, since it uses less digits than its factorization.

4423881628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16507092 (or 16507090 counting only the distinct ones).

The product of its digits is 589824, while the sum is 46.

The square root of 4423881628 is about 66512.2667483224. The cubic root of 4423881628 is about 1641.6018490434.

The spelling of 4423881628 in words is "four billion, four hundred twenty-three million, eight hundred eighty-one thousand, six hundred twenty-eight".