204425433218 has 8 divisors (see below), whose sum is σ = 306647683212. Its totient is φ = 102209538816.

The previous prime is 204425433193. The next prime is 204425433227. The reversal of 204425433218 is 812334524402.

It can be written as a sum of positive squares in 2 ways, for example, as 204210898609 + 214534609 = 451897^2 + 14647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1507655 + ... + 1637642.

Almost surely, 2^204425433218 is an apocalyptic number.

204425433218 is a deficient number, since it is larger than the sum of its proper divisors (102222249994).

204425433218 is a wasteful number, since it uses less digits than its factorization.

204425433218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177796.

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 204425433218 in words is "two hundred four billion, four hundred twenty-five million, four hundred thirty-three thousand, two hundred eighteen".