204455466044445 has 64 divisors (see below), whose sum is σ = 409541145108480. Its totient is φ = 84615938841600.

The previous prime is 204455466044383. The next prime is 204455466044491. The reversal of 204455466044445 is 544440664554402.

It is a happy number.

It is not a de Polignac number, because 204455466044445 - 2⁸ = 204455466044189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 366978325 + ... + 367535034.

It is an arithmetic number, because the mean of its divisors is an integer number (6399080392320).

Almost surely, 2^{204455466044445} is an apocalyptic number.

It is an amenable number.

204455466044445 is an abundant number, since it is smaller than the sum of its proper divisors (205085679064035).

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

204455466044445 is a wasteful number, since it uses less digits than its factorization.

204455466044445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734513626.

The product of its (nonzero) digits is 147456000, while the sum is 57.

The spelling of 204455466044445 in words is "two hundred four trillion, four hundred fifty-five billion, four hundred sixty-six million, forty-four thousand, four hundred forty-five".