204440423234130 has 128 divisors (see below), whose sum is σ = 546087484454400. Its totient is φ = 54426167937792.

The previous prime is 204440423234129. The next prime is 204440423234143. The reversal of 204440423234130 is 31432324044402.

204440423234130 is a `hidden beast` number, since 2 + 0 + 4 + 4 + 4 + 0 + 4 + 232 + 3 + 413 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1288570467 + ... + 1288729113.

It is an arithmetic number, because the mean of its divisors is an integer number (4266308472300).

Almost surely, 2^{204440423234130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204440423234130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273043742227200).

204440423234130 is an abundant number, since it is smaller than the sum of its proper divisors (341647061220270).

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

204440423234130 is a wasteful number, since it uses less digits than its factorization.

204440423234130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166625 (or 166619 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 204440423234130 its reverse (31432324044402), we get a palindrome (235872747278532).

The spelling of 204440423234130 in words is "two hundred four trillion, four hundred forty billion, four hundred twenty-three million, two hundred thirty-four thousand, one hundred thirty".