4428620338 has 8 divisors (see below), whose sum is σ = 6670495260. Its totient is φ = 2205121920.

The previous prime is 4428620333. The next prime is 4428620347. The reversal of 4428620338 is 8330268244.

It can be written as a sum of positive squares in 2 ways, for example, as 4022476929 + 406143409 = 63423^2 + 20153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4428620338² = 39225356196294468488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4428620338.

It is not an unprimeable number, because it can be changed into a prime (4428620333) 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 3 ways as a sum of consecutive naturals, for example, 4593523 + ... + 4594486.

Almost surely, 2^4428620338 is an apocalyptic number.

4428620338 is a deficient number, since it is larger than the sum of its proper divisors (2241874922).

4428620338 is a wasteful number, since it uses less digits than its factorization.

4428620338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9188252.

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 4428620338 is about 66547.8800413657. The cubic root of 4428620338 is about 1642.1877823816.

The spelling of 4428620338 in words is "four billion, four hundred twenty-eight million, six hundred twenty thousand, three hundred thirty-eight".