28484328048 has 160 divisors (see below), whose sum is σ = 82816604160. Its totient is φ = 8360340480.

The previous prime is 28484328007. The next prime is 28484328079. The reversal of 28484328048 is 84082348482.

It is a super-2 number, since 2×28484328048² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4470561 + ... + 4476927.

It is an arithmetic number, because the mean of its divisors is an integer number (517603776).

Almost surely, 2^28484328048 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 28484328048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41408302080).

28484328048 is an abundant number, since it is smaller than the sum of its proper divisors (54332276112).

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

28484328048 is a wasteful number, since it uses less digits than its factorization.

28484328048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655 (or 6649 counting only the distinct ones).

The product of its (nonzero) digits is 3145728, while the sum is 51.

The spelling of 28484328048 in words is "twenty-eight billion, four hundred eighty-four million, three hundred twenty-eight thousand, forty-eight".