204550244442 has 96 divisors (see below), whose sum is σ = 462056325120. Its totient is φ = 65327381280.

The previous prime is 204550244419. The next prime is 204550244461. The reversal of 204550244442 is 244442055402.

204550244442 is a `hidden beast` number, since 2 + 0 + 4 + 550 + 24 + 44 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 204550244397 and 204550244406.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37060159 + ... + 37065677.

It is an arithmetic number, because the mean of its divisors is an integer number (4813086720).

Almost surely, 2^204550244442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204550244442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231028162560).

204550244442 is an abundant number, since it is smaller than the sum of its proper divisors (257506080678).

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

204550244442 is a wasteful number, since it uses less digits than its factorization.

204550244442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6208 (or 6205 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 36.

Adding to 204550244442 its reverse (244442055402), we get a palindrome (448992299844).

The spelling of 204550244442 in words is "two hundred four billion, five hundred fifty million, two hundred forty-four thousand, four hundred forty-two".