204442398845 has 16 divisors (see below), whose sum is σ = 261144648000. Its totient is φ = 153204847488.

The previous prime is 204442398841. The next prime is 204442398847. The reversal of 204442398845 is 548893244402.

It is a cyclic number.

It is not a de Polignac number, because 204442398845 - 2² = 204442398841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204442398841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12081575 + ... + 12098484.

It is an arithmetic number, because the mean of its divisors is an integer number (16321540500).

Almost surely, 2^204442398845 is an apocalyptic number.

It is an amenable number.

204442398845 is a deficient number, since it is larger than the sum of its proper divisors (56702249155).

204442398845 is a wasteful number, since it uses less digits than its factorization.

204442398845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24180172.

The product of its (nonzero) digits is 8847360, while the sum is 53.

The spelling of 204442398845 in words is "two hundred four billion, four hundred forty-two million, three hundred ninety-eight thousand, eight hundred forty-five".