204261252643226 has 8 divisors (see below), whose sum is σ = 313864851622644. Its totient is φ = 99639635435680.

The previous prime is 204261252643213. The next prime is 204261252643229. The reversal of 204261252643226 is 622346252162402.

It can be written as a sum of positive squares in 2 ways, for example, as 179302785379201 + 24958467264025 = 13390399^2 + 4995845^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (204261252643229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245495442865 + ... + 1245495443028.

Almost surely, 2^{204261252643226} is an apocalyptic number.

204261252643226 is a deficient number, since it is larger than the sum of its proper divisors (109603598979418).

204261252643226 is a wasteful number, since it uses less digits than its factorization.

204261252643226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490990885936.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 204261252643226 in words is "two hundred four trillion, two hundred sixty-one billion, two hundred fifty-two million, six hundred forty-three thousand, two hundred twenty-six".