243242504504 has 16 divisors (see below), whose sum is σ = 456085424520. Its totient is φ = 121619724640.

The previous prime is 243242504459. The next prime is 243242504537. The reversal of 243242504504 is 405405242342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770594 + ... + 1039374.

Almost surely, 2^243242504504 is an apocalyptic number.

It is an amenable number.

243242504504 is a deficient number, since it is larger than the sum of its proper divisors (212842920016).

243242504504 is a wasteful number, since it uses less digits than its factorization.

243242504504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381910 (or 381906 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 243242504504 its reverse (405405242342), we get a palindrome (648647746846).

The spelling of 243242504504 in words is "two hundred forty-three billion, two hundred forty-two million, five hundred four thousand, five hundred four".