28024973312 has 192 divisors, whose sum is σ = 66133267200. Its totient is φ = 11625431040.

The previous prime is 28024973311. The next prime is 28024973329. The reversal of 28024973312 is 21337942082.

It is a self number, because there is not a number n which added to its sum of digits gives 28024973312.

It is not an unprimeable number, because it can be changed into a prime (28024973311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63837989 + ... + 63838427.

It is an arithmetic number, because the mean of its divisors is an integer number (344444100).

Almost surely, 2^28024973312 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 28024973312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33066633600).

28024973312 is an abundant number, since it is smaller than the sum of its proper divisors (38108293888).

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

28024973312 is an equidigital number, since it uses as much as digits as its factorization.

28024973312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 28024973312 in words is "twenty-eight billion, twenty-four million, nine hundred seventy-three thousand, three hundred twelve".