204234034340 has 24 divisors (see below), whose sum is σ = 490161682752. Its totient is φ = 70023097440.

The previous prime is 204234034309. The next prime is 204234034343. The reversal of 204234034340 is 43430432402.

It is not an unprimeable number, because it can be changed into a prime (204234034343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729407126 + ... + 729407405.

It is an arithmetic number, because the mean of its divisors is an integer number (20423403448).

Almost surely, 2^204234034340 is an apocalyptic number.

204234034340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204234034340 is an abundant number, since it is smaller than the sum of its proper divisors (285927648412).

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

204234034340 is a wasteful number, since it uses less digits than its factorization.

204234034340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458814547 (or 1458814545 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 204234034340 its reverse (43430432402), we get a palindrome (247664466742).

The spelling of 204234034340 in words is "two hundred four billion, two hundred thirty-four million, thirty-four thousand, three hundred forty".