243727475344 has 40 divisors (see below), whose sum is σ = 487809294080. Its totient is φ = 117846921600.

The previous prime is 243727475311. The next prime is 243727475357. The reversal of 243727475344 is 443574727342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 243727475291 and 243727475300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507067 + ... + 862885.

It is an arithmetic number, because the mean of its divisors is an integer number (12195232352).

Almost surely, 2^243727475344 is an apocalyptic number.

It is an amenable number.

243727475344 is an abundant number, since it is smaller than the sum of its proper divisors (244081818736).

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

243727475344 is a wasteful number, since it uses less digits than its factorization.

243727475344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357239 (or 357233 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 52.

The spelling of 243727475344 in words is "two hundred forty-three billion, seven hundred twenty-seven million, four hundred seventy-five thousand, three hundred forty-four".