28084324032 has 84 divisors (see below), whose sum is σ = 80796136096. Its totient is φ = 9326845440.

The previous prime is 28084324027. The next prime is 28084324063. The reversal of 28084324032 is 23042348082.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66138 + ... + 246054.

Almost surely, 2^28084324032 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 28084324032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40398068048).

28084324032 is an abundant number, since it is smaller than the sum of its proper divisors (52711812064).

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

28084324032 is a wasteful number, since it uses less digits than its factorization.

28084324032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180206 (or 180193 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 28084324032 in words is "twenty-eight billion, eighty-four million, three hundred twenty-four thousand, thirty-two".