4428042985 has 16 divisors (see below), whose sum is σ = 5356721664. Its totient is φ = 3513837312.

The previous prime is 4428042959. The next prime is 4428042991. The reversal of 4428042985 is 5892408244.

It is a cyclic number.

It is not a de Polignac number, because 4428042985 - 2¹⁵ = 4428010217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308529 + ... + 322561.

It is an arithmetic number, because the mean of its divisors is an integer number (334795104).

Almost surely, 2^4428042985 is an apocalyptic number.

It is an amenable number.

4428042985 is a deficient number, since it is larger than the sum of its proper divisors (928678679).

4428042985 is a wasteful number, since it uses less digits than its factorization.

4428042985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14544.

The product of its (nonzero) digits is 737280, while the sum is 46.

The square root of 4428042985 is about 66543.5420232497. The cubic root of 4428042985 is about 1642.1164160437.

The spelling of 4428042985 in words is "four billion, four hundred twenty-eight million, forty-two thousand, nine hundred eighty-five".