204434003425040 has 40 divisors (see below), whose sum is σ = 475686587234880. Its totient is φ = 81708650097536.

The previous prime is 204434003424997. The next prime is 204434003425051. The reversal of 204434003425040 is 40524300434402.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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, 1014762284 + ... + 1014963723.

It is an arithmetic number, because the mean of its divisors is an integer number (11892164680872).

Almost surely, 2^{204434003425040} is an apocalyptic number.

204434003425040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204434003425040 is an abundant number, since it is smaller than the sum of its proper divisors (271252583809840).

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

204434003425040 is a wasteful number, since it uses less digits than its factorization.

204434003425040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029727279 (or 2029727273 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 204434003425040 its reverse (40524300434402), we get a palindrome (244958303859442).

The spelling of 204434003425040 in words is "two hundred four trillion, four hundred thirty-four billion, three million, four hundred twenty-five thousand, forty".