228996593280 has 1536 divisors, whose sum is σ = 1065009254400. Its totient is φ = 43953684480.

The previous prime is 228996593219. The next prime is 228996593281. The reversal of 228996593280 is 82395699822.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (228996593281) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 276231906 + ... + 276232734.

It is an arithmetic number, because the mean of its divisors is an integer number (693365400).

Almost surely, 2^228996593280 is an apocalyptic number.

228996593280 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 228996593280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532504627200).

228996593280 is an abundant number, since it is smaller than the sum of its proper divisors (836012661120).

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

228996593280 is a wasteful number, since it uses less digits than its factorization.

228996593280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 228996593280 in words is "two hundred twenty-eight billion, nine hundred ninety-six million, five hundred ninety-three thousand, two hundred eighty".