28534483584 has 144 divisors (see below), whose sum is σ = 83902643370. Its totient is φ = 9308292096.

The previous prime is 28534483573. The next prime is 28534483589. The reversal of 28534483584 is 48538443582.

28534483584 is a `hidden beast` number, since 2 + 8 + 53 + 4 + 4 + 8 + 3 + 584 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28248197184 + 286286400 = 168072^2 + 16920^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 28534483584.

It is not an unprimeable number, because it can be changed into a prime (28534483589) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2539162 + ... + 2550374.

Almost surely, 2^28534483584 is an apocalyptic number.

28534483584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28534483584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41951321685).

28534483584 is an abundant number, since it is smaller than the sum of its proper divisors (55368159786).

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

28534483584 is a wasteful number, since it uses less digits than its factorization.

28534483584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11327 (or 11265 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 54.

The spelling of 28534483584 in words is "twenty-eight billion, five hundred thirty-four million, four hundred eighty-three thousand, five hundred eighty-four".