228571428832 has 96 divisors (see below), whose sum is σ = 477058982400. Its totient is φ = 107616757248.

The previous prime is 228571428823. The next prime is 228571428929. The reversal of 228571428832 is 238824175822.

It is a self number, because there is not a number n which added to its sum of digits gives 228571428832.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29006269 + ... + 29014147.

It is an arithmetic number, because the mean of its divisors is an integer number (4969364400).

Almost surely, 2^228571428832 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 228571428832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238529491200).

228571428832 is an abundant number, since it is smaller than the sum of its proper divisors (248487553568).

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

228571428832 is a wasteful number, since it uses less digits than its factorization.

228571428832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8688 (or 8680 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 52.

The spelling of 228571428832 in words is "two hundred twenty-eight billion, five hundred seventy-one million, four hundred twenty-eight thousand, eight hundred thirty-two".