204450082518 has 16 divisors (see below), whose sum is σ = 446072907456. Its totient is φ = 61954570440.

The previous prime is 204450082513. The next prime is 204450082561. The reversal of 204450082518 is 815280054402.

It is a happy number.

204450082518 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204450082511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1548864196 + ... + 1548864327.

It is an arithmetic number, because the mean of its divisors is an integer number (27879556716).

Almost surely, 2^204450082518 is an apocalyptic number.

204450082518 is an abundant number, since it is smaller than the sum of its proper divisors (241622824938).

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

204450082518 is a wasteful number, since it uses less digits than its factorization.

204450082518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097728539.

The product of its (nonzero) digits is 102400, while the sum is 39.

The spelling of 204450082518 in words is "two hundred four billion, four hundred fifty million, eighty-two thousand, five hundred eighteen".