204311400034544 has 160 divisors (see below), whose sum is σ = 451628088238080. Its totient is φ = 88631648582400.

The previous prime is 204311400034397. The next prime is 204311400034559. The reversal of 204311400034544 is 445430004113402.

It is a happy number.

204311400034544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3982109339 + ... + 3982160645.

It is an arithmetic number, because the mean of its divisors is an integer number (2822675551488).

Almost surely, 2^{204311400034544} 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 204311400034544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225814044119040).

204311400034544 is an abundant number, since it is smaller than the sum of its proper divisors (247316688203536).

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

204311400034544 is a wasteful number, since it uses less digits than its factorization.

204311400034544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53539 (or 53533 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 204311400034544 its reverse (445430004113402), we get a palindrome (649741404147946).

The spelling of 204311400034544 in words is "two hundred four trillion, three hundred eleven billion, four hundred million, thirty-four thousand, five hundred forty-four".