204450506544 has 80 divisors (see below), whose sum is σ = 556557572480. Its totient is φ = 64494144000.

The previous prime is 204450506537. The next prime is 204450506581. The reversal of 204450506544 is 445605054402.

204450506544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 734919 + ... + 974169.

It is an arithmetic number, because the mean of its divisors is an integer number (6956969656).

Almost surely, 2^204450506544 is an apocalyptic number.

204450506544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204450506544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278278786240).

204450506544 is an abundant number, since it is smaller than the sum of its proper divisors (352107065936).

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

204450506544 is a wasteful number, since it uses less digits than its factorization.

204450506544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240218 (or 240212 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 204450506544 in words is "two hundred four billion, four hundred fifty million, five hundred six thousand, five hundred forty-four".