4424785128 has 24 divisors (see below), whose sum is σ = 11983793250. Its totient is φ = 1474928352.

The previous prime is 4424785117. The next prime is 4424785133. The reversal of 4424785128 is 8215874244.

4424785128 is a `hidden beast` number, since 44 + 24 + 78 + 512 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3873568644 + 551216484 = 62238^2 + 23478^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30727603 + ... + 30727746.

Almost surely, 2^4424785128 is an apocalyptic number.

It is an amenable number.

4424785128 is an abundant number, since it is smaller than the sum of its proper divisors (7559008122).

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

4424785128 is a wasteful number, since it uses less digits than its factorization.

4424785128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61455361 (or 61455354 counting only the distinct ones).

The product of its digits is 573440, while the sum is 45.

The square root of 4424785128 is about 66519.0583817901. The cubic root of 4424785128 is about 1641.7135975361.

The spelling of 4424785128 in words is "four billion, four hundred twenty-four million, seven hundred eighty-five thousand, one hundred twenty-eight".