204342923258280 has 384 divisors, whose sum is σ = 686519505285120. Its totient is φ = 52658178693120.

The previous prime is 204342923258261. The next prime is 204342923258317. The reversal of 204342923258280 is 82852329243402.

204342923258280 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 4 + 29 + 2 + 32 + 582 + 8 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35581213089 + ... + 35581218831.

It is an arithmetic number, because the mean of its divisors is an integer number (1787811211680).

Almost surely, 2^{204342923258280} is an apocalyptic number.

204342923258280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204342923258280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343259752642560).

204342923258280 is an abundant number, since it is smaller than the sum of its proper divisors (482176582026840).

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

204342923258280 is a wasteful number, since it uses less digits than its factorization.

204342923258280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9801 (or 9794 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 54.

The spelling of 204342923258280 in words is "two hundred four trillion, three hundred forty-two billion, nine hundred twenty-three million, two hundred fifty-eight thousand, two hundred eighty".