243000334044 has 120 divisors (see below), whose sum is σ = 692359686480. Its totient is φ = 73868391936.

The previous prime is 243000333991. The next prime is 243000334063. The reversal of 243000334044 is 440433000342.

243000334044 is a `hidden beast` number, since 24 + 300 + 0 + 334 + 0 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 243000333999 and 243000334017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2052 + ... + 697140.

It is an arithmetic number, because the mean of its divisors is an integer number (5769664054).

Almost surely, 2^243000334044 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 243000334044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346179843240).

243000334044 is an abundant number, since it is smaller than the sum of its proper divisors (449359352436).

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

243000334044 is a wasteful number, since it uses less digits than its factorization.

243000334044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695201 (or 695190 counting only the distinct ones).

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

Adding to 243000334044 its reverse (440433000342), we get a palindrome (683433334386).

The spelling of 243000334044 in words is "two hundred forty-three billion, three hundred thirty-four thousand, forty-four".