228793833450 has 576 divisors, whose sum is σ = 769602742272. Its totient is φ = 47449152000.

The previous prime is 228793833449. The next prime is 228793833487. The reversal of 228793833450 is 54338397822.

228793833450 is a `hidden beast` number, since 2 + 28 + 7 + 93 + 83 + 3 + 450 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1007902237 + ... + 1007902463.

It is an arithmetic number, because the mean of its divisors is an integer number (1336115872).

Almost surely, 2^228793833450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228793833450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384801371136).

228793833450 is an abundant number, since it is smaller than the sum of its proper divisors (540808908822).

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

228793833450 is a wasteful number, since it uses less digits than its factorization.

228793833450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 228793833450 in words is "two hundred twenty-eight billion, seven hundred ninety-three million, eight hundred thirty-three thousand, four hundred fifty".