228391941000 has 256 divisors, whose sum is σ = 728911872000. Its totient is φ = 59513107200.

The previous prime is 228391940999. The next prime is 228391941013. The reversal of 228391941000 is 149193822.

It is a self number, because there is not a number n which added to its sum of digits gives 228391941000.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146498221 + ... + 146499779.

It is an arithmetic number, because the mean of its divisors is an integer number (2847312000).

Almost surely, 2^228391941000 is an apocalyptic number.

228391941000 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 228391941000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364455936000).

228391941000 is an abundant number, since it is smaller than the sum of its proper divisors (500519931000).

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

228391941000 is a wasteful number, since it uses less digits than its factorization.

228391941000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 228391941000 in words is "two hundred twenty-eight billion, three hundred ninety-one million, nine hundred forty-one thousand".