204140544104 has 64 divisors (see below), whose sum is σ = 448621977600. Its totient is φ = 85268804544.

The previous prime is 204140544079. The next prime is 204140544119. The reversal of 204140544104 is 401445041402.

204140544104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466787 + ... + 791309.

It is an arithmetic number, because the mean of its divisors is an integer number (7009718400).

Almost surely, 2^204140544104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204140544104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224310988800).

204140544104 is an abundant number, since it is smaller than the sum of its proper divisors (244481433496).

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

204140544104 is a wasteful number, since it uses less digits than its factorization.

204140544104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324822 (or 324818 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 204140544104 its reverse (401445041402), we get a palindrome (605585585506).

The spelling of 204140544104 in words is "two hundred four billion, one hundred forty million, five hundred forty-four thousand, one hundred four".