228932028915018 has 256 divisors, whose sum is σ = 591846712934400. Its totient is φ = 57929977163520.

The previous prime is 228932028914983. The next prime is 228932028915047. The reversal of 228932028915018 is 810519820239822.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 219573223 + ... + 220613381.

It is an arithmetic number, because the mean of its divisors is an integer number (2311901222400).

Almost surely, 2^{228932028915018} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228932028915018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295923356467200).

228932028915018 is an abundant number, since it is smaller than the sum of its proper divisors (362914684019382).

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

228932028915018 is a wasteful number, since it uses less digits than its factorization.

228932028915018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040817.

The product of its (nonzero) digits is 9953280, while the sum is 60.

The spelling of 228932028915018 in words is "two hundred twenty-eight trillion, nine hundred thirty-two billion, twenty-eight million, nine hundred fifteen thousand, eighteen".