204234423142404 has 96 divisors (see below), whose sum is σ = 509814298183680. Its totient is φ = 63408851730432.

The previous prime is 204234423142327. The next prime is 204234423142423. The reversal of 204234423142404 is 404241324432402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309926914 + ... + 310585190.

It is an arithmetic number, because the mean of its divisors is an integer number (5310565606080).

Almost surely, 2^{204234423142404} 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 204234423142404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254907149091840).

204234423142404 is an abundant number, since it is smaller than the sum of its proper divisors (305579875041276).

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

204234423142404 is a wasteful number, since it uses less digits than its factorization.

204234423142404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674077 (or 674075 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 39.

Adding to 204234423142404 its reverse (404241324432402), we get a palindrome (608475747574806).

The spelling of 204234423142404 in words is "two hundred four trillion, two hundred thirty-four billion, four hundred twenty-three million, one hundred forty-two thousand, four hundred four".