28370566224 has 800 divisors, whose sum is σ = 116152565760. Its totient is φ = 6438528000.

The previous prime is 28370566199. The next prime is 28370566247. The reversal of 28370566224 is 42266507382.

28370566224 is a `hidden beast` number, since 2 + 8 + 370 + 56 + 6 + 224 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 28370566224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 24648049 + ... + 24649199.

Almost surely, 2^28370566224 is an apocalyptic number.

28370566224 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 28370566224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58076282880).

28370566224 is an abundant number, since it is smaller than the sum of its proper divisors (87781999536).

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

28370566224 is a wasteful number, since it uses less digits than its factorization.

28370566224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

It can be divided in two parts, 283 and 70566224, that added together give a palindrome (70566507).

The spelling of 28370566224 in words is "twenty-eight billion, three hundred seventy million, five hundred sixty-six thousand, two hundred twenty-four".