228000328387500 has 288 divisors, whose sum is σ = 683633318292288. Its totient is φ = 59095941120000.

The previous prime is 228000328387499. The next prime is 228000328387553. The reversal of 228000328387500 is 5783823000822.

It is a self number, because there is not a number n which added to its sum of digits gives 228000328387500.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1355503404 + ... + 1355671596.

It is an arithmetic number, because the mean of its divisors is an integer number (2373726799626).

Almost surely, 2^{228000328387500} is an apocalyptic number.

228000328387500 is a gapful number since it is divisible by the number (20) 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 228000328387500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341816659146144).

228000328387500 is an abundant number, since it is smaller than the sum of its proper divisors (455632989904788).

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

228000328387500 is a wasteful number, since it uses less digits than its factorization.

228000328387500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169239 (or 169217 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 228000328387500 in words is "two hundred twenty-eight trillion, three hundred twenty-eight million, three hundred eighty-seven thousand, five hundred".