204054681600 has 2016 divisors, whose sum is σ = 959046117120. Its totient is φ = 41803776000.

The previous prime is 204054681583. The next prime is 204054681799. The reversal of 204054681600 is 6186450402.

204054681600 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 5 + 46 + 8 + 1 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 2874009565 + ... + 2874009635.

It is an arithmetic number, because the mean of its divisors is an integer number (475717320).

Almost surely, 2^204054681600 is an apocalyptic number.

204054681600 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 204054681600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479523058560).

204054681600 is an abundant number, since it is smaller than the sum of its proper divisors (754991435520).

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

204054681600 is an equidigital number, since it uses as much as digits as its factorization.

204054681600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 204054681600 in words is "two hundred four billion, fifty-four million, six hundred eighty-one thousand, six hundred".