243034400304 has 120 divisors (see below), whose sum is σ = 683756236800. Its totient is φ = 80583753600.

The previous prime is 243034400267. The next prime is 243034400309. The reversal of 243034400304 is 403004430342.

243034400304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243034400304² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243034400309) 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 23 ways as a sum of consecutive naturals, for example, 36167857 + ... + 36174575.

It is an arithmetic number, because the mean of its divisors is an integer number (5697968640).

Almost surely, 2^243034400304 is an apocalyptic number.

243034400304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243034400304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341878118400).

243034400304 is an abundant number, since it is smaller than the sum of its proper divisors (440721836496).

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

243034400304 is a wasteful number, since it uses less digits than its factorization.

243034400304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023 (or 8014 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 243034400304 its reverse (403004430342), we get a palindrome (646038830646).

The spelling of 243034400304 in words is "two hundred forty-three billion, thirty-four million, four hundred thousand, three hundred four".