243541044404 has 18 divisors (see below), whose sum is σ = 495779983650. Its totient is φ = 104374733232.

The previous prime is 243541044401. The next prime is 243541044437. The reversal of 243541044404 is 404440145342.

243541044404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 152459011600 + 91082032804 = 390460^2 + 301798^2 .

It is a super-3 number, since 3×243541044404³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243541044401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 621277979 + ... + 621278370.

It is an arithmetic number, because the mean of its divisors is an integer number (27543332425).

Almost surely, 2^243541044404 is an apocalyptic number.

It is an amenable number.

243541044404 is an abundant number, since it is smaller than the sum of its proper divisors (252238939246).

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

243541044404 is a wasteful number, since it uses less digits than its factorization.

243541044404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242556367 (or 1242556358 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 243541044404 its reverse (404440145342), we get a palindrome (647981189746).

The spelling of 243541044404 in words is "two hundred forty-three billion, five hundred forty-one million, forty-four thousand, four hundred four".