204425444412 has 192 divisors, whose sum is σ = 615382548480. Its totient is φ = 57475915200.

The previous prime is 204425444411. The next prime is 204425444471. The reversal of 204425444412 is 214444524402.

204425444412 is a `hidden beast` number, since 20 + 4 + 42 + 544 + 44 + 12 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204425444411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76533837 + ... + 76536507.

It is an arithmetic number, because the mean of its divisors is an integer number (3205117440).

Almost surely, 2^204425444412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204425444412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307691274240).

204425444412 is an abundant number, since it is smaller than the sum of its proper divisors (410957104068).

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

204425444412 is a wasteful number, since it uses less digits than its factorization.

204425444412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269 (or 4261 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 36.

Adding to 204425444412 its reverse (214444524402), we get a palindrome (418869968814).

The spelling of 204425444412 in words is "two hundred four billion, four hundred twenty-five million, four hundred forty-four thousand, four hundred twelve".