204504561342 has 12 divisors (see below), whose sum is σ = 443093216280. Its totient is φ = 68168187108.

The previous prime is 204504561319. The next prime is 204504561353. The reversal of 204504561342 is 243165405402.

204504561342 is a `hidden beast` number, since 2 + 0 + 4 + 50 + 4 + 561 + 3 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 204504561297 and 204504561306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5680682242 + ... + 5680682277.

It is an arithmetic number, because the mean of its divisors is an integer number (36924434690).

Almost surely, 2^204504561342 is an apocalyptic number.

204504561342 is an abundant number, since it is smaller than the sum of its proper divisors (238588654938).

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

204504561342 is a wasteful number, since it uses less digits than its factorization.

204504561342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11361364527 (or 11361364524 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 204504561342 its reverse (243165405402), we get a palindrome (447669966744).

The spelling of 204504561342 in words is "two hundred four billion, five hundred four million, five hundred sixty-one thousand, three hundred forty-two".