4528039986 has 96 divisors (see below), whose sum is σ = 10710835200. Its totient is φ = 1377220320.

The previous prime is 4528039937. The next prime is 4528039987. The reversal of 4528039986 is 6899308254.

4528039986 is a `hidden beast` number, since 4 + 528 + 0 + 39 + 9 + 86 = 666.

It is a super-2 number, since 2×4528039986² = 41006292229629760392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4528039987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2532985 + ... + 2534771.

It is an arithmetic number, because the mean of its divisors is an integer number (111571200).

Almost surely, 2^4528039986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4528039986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5355417600).

4528039986 is an abundant number, since it is smaller than the sum of its proper divisors (6182795214).

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

4528039986 is a wasteful number, since it uses less digits than its factorization.

4528039986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084 (or 2081 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The square root of 4528039986 is about 67290.7124795094. The cubic root of 4528039986 is about 1654.3856374970.

The spelling of 4528039986 in words is "four billion, five hundred twenty-eight million, thirty-nine thousand, nine hundred eighty-six".