28924485184 has 63 divisors (see below), whose sum is σ = 66789960273. Its totient is φ = 12392126208.

The previous prime is 28924485181. The next prime is 28924485197. The reversal of 28924485184 is 48158442982.

The square root of 28924485184 is 170072.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 24498510400 + 4425974784 = 156520^2 + 66528^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28924485181) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9522514 + ... + 9525550.

Almost surely, 2^28924485184 is an apocalyptic number.

28924485184 is the 170072-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28924485184

28924485184 is an abundant number, since it is smaller than the sum of its proper divisors (37865475089).

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

28924485184 is an frugal number, since it uses more digits than its factorization.

28924485184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100 (or 3046 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 55.

The spelling of 28924485184 in words is "twenty-eight billion, nine hundred twenty-four million, four hundred eighty-five thousand, one hundred eighty-four".