204325135405044 has 24 divisors (see below), whose sum is σ = 479178743950368. Its totient is φ = 67762650658080.

The previous prime is 204325135404989. The next prime is 204325135405049. The reversal of 204325135405044 is 440504531523402.

It is a junction number, because it is equal to n+sod(n) for n = 204325135404987 and 204325135405005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204325135405049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43215973822 + ... + 43215978549.

It is an arithmetic number, because the mean of its divisors is an integer number (19965780997932).

Almost surely, 2^{204325135405044} is an apocalyptic number.

It is an amenable number.

204325135405044 is an abundant number, since it is smaller than the sum of its proper divisors (274853608545324).

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

204325135405044 is a wasteful number, since it uses less digits than its factorization.

204325135405044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86431952575 (or 86431952573 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 204325135405044 its reverse (440504531523402), we get a palindrome (644829666928446).

The spelling of 204325135405044 in words is "two hundred four trillion, three hundred twenty-five billion, one hundred thirty-five million, four hundred five thousand, forty-four".