243310243044 has 96 divisors (see below), whose sum is σ = 628087017600. Its totient is φ = 72689356800.

The previous prime is 243310243039. The next prime is 243310243051. The reversal of 243310243044 is 440342013342.

It is a happy 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, 33230904 + ... + 33238224.

It is an arithmetic number, because the mean of its divisors is an integer number (6542573100).

Almost surely, 2^243310243044 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 243310243044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314043508800).

243310243044 is an abundant number, since it is smaller than the sum of its proper divisors (384776774556).

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

243310243044 is a wasteful number, since it uses less digits than its factorization.

243310243044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10861 (or 10859 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 243310243044 its reverse (440342013342), we get a palindrome (683652256386).

The spelling of 243310243044 in words is "two hundred forty-three billion, three hundred ten million, two hundred forty-three thousand, forty-four".