4489309528 has 64 divisors (see below), whose sum is σ = 9537523200. Its totient is φ = 1963221120.

The previous prime is 4489309519. The next prime is 4489309553. The reversal of 4489309528 is 8259039844.

It is a congruent 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, 234826 + ... + 253222.

It is an arithmetic number, because the mean of its divisors is an integer number (149023800).

Almost surely, 2^4489309528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4489309528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4768761600).

4489309528 is an abundant number, since it is smaller than the sum of its proper divisors (5048213672).

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

4489309528 is a wasteful number, since it uses less digits than its factorization.

4489309528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18520 (or 18516 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The square root of 4489309528 is about 67002.3098706306. The cubic root of 4489309528 is about 1649.6552114587.

The spelling of 4489309528 in words is "four billion, four hundred eighty-nine million, three hundred nine thousand, five hundred twenty-eight".