243040005224 has 16 divisors (see below), whose sum is σ = 455712574020. Its totient is φ = 121516652160.

The previous prime is 243040005211. The next prime is 243040005361. The reversal of 243040005224 is 422500040342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 160488372100 + 82551633124 = 400610^2 + 287318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243040005193 and 243040005202.

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, 95867 + ... + 703754.

Almost surely, 2^243040005224 is an apocalyptic number.

It is an amenable number.

243040005224 is a deficient number, since it is larger than the sum of its proper divisors (212672568796).

243040005224 is a wasteful number, since it uses less digits than its factorization.

243040005224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837620 (or 837616 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 243040005224 its reverse (422500040342), we get a palindrome (665540045566).

The spelling of 243040005224 in words is "two hundred forty-three billion, forty million, five thousand, two hundred twenty-four".