218433303468 has 72 divisors (see below), whose sum is σ = 566486627616. Its totient is φ = 70926124800.

The previous prime is 218433303463. The next prime is 218433303527. The reversal of 218433303468 is 864303334812.

218433303468 is a `hidden beast` number, since 2 + 184 + 3 + 3 + 3 + 0 + 3 + 468 = 666.

It is not an unprimeable number, because it can be changed into a prime (218433303463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 850513 + ... + 1077143.

It is an arithmetic number, because the mean of its divisors is an integer number (7867869828).

Almost surely, 2^218433303468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 218433303468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283243313808).

218433303468 is an abundant number, since it is smaller than the sum of its proper divisors (348053324148).

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

218433303468 is a wasteful number, since it uses less digits than its factorization.

218433303468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227335 (or 227330 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 218433303468 in words is "two hundred eighteen billion, four hundred thirty-three million, three hundred three thousand, four hundred sixty-eight".