204434210344 has 128 divisors (see below), whose sum is σ = 500629248000. Its totient is φ = 76047231744.

The previous prime is 204434210287. The next prime is 204434210347. The reversal of 204434210344 is 443012434402.

It is not an unprimeable number, because it can be changed into a prime (204434210347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 884427 + ... + 1091365.

It is an arithmetic number, because the mean of its divisors is an integer number (3911166000).

Almost surely, 2^204434210344 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 204434210344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250314624000).

204434210344 is an abundant number, since it is smaller than the sum of its proper divisors (296195037656).

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

204434210344 is a wasteful number, since it uses less digits than its factorization.

204434210344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207047 (or 207043 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 204434210344 its reverse (443012434402), we get a palindrome (647446644746).

The spelling of 204434210344 in words is "two hundred four billion, four hundred thirty-four million, two hundred ten thousand, three hundred forty-four".