204455368445 has 8 divisors (see below), whose sum is σ = 245350235736. Its totient is φ = 163561765696.

The previous prime is 204455368427. The next prime is 204455368483. The reversal of 204455368445 is 544863554402.

It can be written as a sum of positive squares in 4 ways, for example, as 29231082841 + 175224285604 = 170971^2 + 418598^2 .

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 204455368445 - 2²⁴ = 204438591229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204455368393 and 204455368402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86099 + ... + 645231.

It is an arithmetic number, because the mean of its divisors is an integer number (30668779467).

Almost surely, 2^204455368445 is an apocalyptic number.

It is an amenable number.

204455368445 is a deficient number, since it is larger than the sum of its proper divisors (40894867291).

204455368445 is an equidigital number, since it uses as much as digits as its factorization.

204455368445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632271.

The product of its (nonzero) digits is 9216000, while the sum is 50.

The spelling of 204455368445 in words is "two hundred four billion, four hundred fifty-five million, three hundred sixty-eight thousand, four hundred forty-five".