204443626261 has 8 divisors (see below), whose sum is σ = 233830852544. Its totient is φ = 175101648480.

The previous prime is 204443626259. The next prime is 204443626273. The reversal of 204443626261 is 162626344402.

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

It is a cyclic number.

It is not a de Polignac number, because 204443626261 - 2¹ = 204443626259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204443626241) 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, 11302440 + ... + 11320513.

It is an arithmetic number, because the mean of its divisors is an integer number (29228856568).

Almost surely, 2^204443626261 is an apocalyptic number.

It is an amenable number.

204443626261 is a deficient number, since it is larger than the sum of its proper divisors (29387226283).

204443626261 is a wasteful number, since it uses less digits than its factorization.

204443626261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22624251.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 204443626261 in words is "two hundred four billion, four hundred forty-three million, six hundred twenty-six thousand, two hundred sixty-one".