204044444124340 has 24 divisors (see below), whose sum is σ = 428841984732840. Its totient is φ = 81551367731328.

The previous prime is 204044444124293. The next prime is 204044444124349. The reversal of 204044444124340 is 43421444440402.

It can be written as a sum of positive squares in 4 ways, for example, as 98011663207056 + 106032780917284 = 9900084^2 + 10297222^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204044444124293 and 204044444124302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204044444124349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4150594707 + ... + 4150643866.

It is an arithmetic number, because the mean of its divisors is an integer number (17868416030535).

Almost surely, 2^{204044444124340} is an apocalyptic number.

204044444124340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204044444124340 is an abundant number, since it is smaller than the sum of its proper divisors (224797540608500).

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

204044444124340 is a wasteful number, since it uses less digits than its factorization.

204044444124340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8301239811 (or 8301239809 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 40.

Adding to 204044444124340 its reverse (43421444440402), we get a palindrome (247465888564742).

The spelling of 204044444124340 in words is "two hundred four trillion, forty-four billion, four hundred forty-four million, one hundred twenty-four thousand, three hundred forty".