4428263808 has 192 divisors, whose sum is σ = 13349372400. Its totient is φ = 1407135744.

The previous prime is 4428263773. The next prime is 4428263831. The reversal of 4428263808 is 8083628244.

4428263808 is a `hidden beast` number, since 4 + 4 + 2 + 8 + 2 + 638 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2772066 + ... + 2773662.

Almost surely, 2^4428263808 is an apocalyptic number.

4428263808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4428263808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6674686200).

4428263808 is an abundant number, since it is smaller than the sum of its proper divisors (8921108592).

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

4428263808 is a wasteful number, since it uses less digits than its factorization.

4428263808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The square root of 4428263808 is about 66545.2012394583. The cubic root of 4428263808 is about 1642.1437126054.

The spelling of 4428263808 in words is "four billion, four hundred twenty-eight million, two hundred sixty-three thousand, eight hundred eight".