204590850256 has 20 divisors (see below), whose sum is σ = 426886678372. Its totient is φ = 94426546176.

The previous prime is 204590850203. The next prime is 204590850301. The reversal of 204590850256 is 652058095402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47299290256 + 157291560000 = 217484^2 + 396600^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491804721 + ... + 491805136.

Almost surely, 2^204590850256 is an apocalyptic number.

204590850256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

204590850256 is an abundant number, since it is smaller than the sum of its proper divisors (222295828116).

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

204590850256 is a wasteful number, since it uses less digits than its factorization.

204590850256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983609878 (or 983609872 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 204590850256 in words is "two hundred four billion, five hundred ninety million, eight hundred fifty thousand, two hundred fifty-six".