204531344442 has 24 divisors (see below), whose sum is σ = 453457090944. Its totient is φ = 66591600264.

The previous prime is 204531344387. The next prime is 204531344471. The reversal of 204531344442 is 244443135402.

204531344442 is a `hidden beast` number, since 204 + 5 + 3 + 1 + 3 + 4 + 4 + 442 = 666.

204531344442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204531344397 and 204531344406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132125418 + ... + 132126965.

It is an arithmetic number, because the mean of its divisors is an integer number (18894045456).

Almost surely, 2^204531344442 is an apocalyptic number.

204531344442 is an abundant number, since it is smaller than the sum of its proper divisors (248925746502).

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

204531344442 is a wasteful number, since it uses less digits than its factorization.

204531344442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264252434 (or 264252431 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 204531344442 its reverse (244443135402), we get a palindrome (448974479844).

The spelling of 204531344442 in words is "two hundred four billion, five hundred thirty-one million, three hundred forty-four thousand, four hundred forty-two".