4428458856 has 48 divisors (see below), whose sum is σ = 11997481860. Its totient is φ = 1475692800.

The previous prime is 4428458851. The next prime is 4428458861. The reversal of 4428458856 is 6588548244.

4428458856 is a `hidden beast` number, since 4 + 4 + 2 + 8 + 4 + 588 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (4428458851) and next prime (4428458861).

It can be written as a sum of positive squares in 2 ways, for example, as 3628134756 + 800324100 = 60234^2 + 28290^2 .

It is a super-2 number, since 2×4428458856² = 39222495678569657472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4428458851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285706 + ... + 300806.

Almost surely, 2^4428458856 is an apocalyptic number.

It is an amenable number.

4428458856 is an abundant number, since it is smaller than the sum of its proper divisors (7569023004).

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

4428458856 is a wasteful number, since it uses less digits than its factorization.

4428458856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19186 (or 19179 counting only the distinct ones).

The product of its digits is 9830400, while the sum is 54.

The square root of 4428458856 is about 66546.6667534896. Note that the first 3 decimals coincide. The cubic root of 4428458856 is about 1642.1678222910.

The spelling of 4428458856 in words is "four billion, four hundred twenty-eight million, four hundred fifty-eight thousand, eight hundred fifty-six".