204451515250 has 96 divisors (see below), whose sum is σ = 397315011600. Its totient is φ = 78775692800.

The previous prime is 204451515217. The next prime is 204451515259. The reversal of 204451515250 is 52515154402.

204451515250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 24 ways, for example, as 132025402609 + 72426112641 = 363353^2 + 269121^2 .

It is not an unprimeable number, because it can be changed into a prime (204451515259) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 119631396 + ... + 119633104.

Almost surely, 2^204451515250 is an apocalyptic number.

204451515250 is a deficient number, since it is larger than the sum of its proper divisors (192863496350).

204451515250 is a wasteful number, since it uses less digits than its factorization.

204451515250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353 (or 2314 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 204451515250 its reverse (52515154402), we get a palindrome (256966669652).

The spelling of 204451515250 in words is "two hundred four billion, four hundred fifty-one million, five hundred fifteen thousand, two hundred fifty".