204357842844 has 12 divisors (see below), whose sum is σ = 476834966664. Its totient is φ = 68119280944.

The previous prime is 204357842837. The next prime is 204357842863. The reversal of 204357842844 is 448248753402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8514910107 + ... + 8514910130.

It is an arithmetic number, because the mean of its divisors is an integer number (39736247222).

Almost surely, 2^204357842844 is an apocalyptic number.

It is an amenable number.

204357842844 is an abundant number, since it is smaller than the sum of its proper divisors (272477123820).

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

204357842844 is a wasteful number, since it uses less digits than its factorization.

204357842844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17029820244 (or 17029820242 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 51.

The spelling of 204357842844 in words is "two hundred four billion, three hundred fifty-seven million, eight hundred forty-two thousand, eight hundred forty-four".