243240514250 has 32 divisors (see below), whose sum is σ = 455438617920. Its totient is φ = 97276467600.

The previous prime is 243240514249. The next prime is 243240514313. The reversal of 243240514250 is 52415042342.

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 15 ways as a sum of consecutive naturals, for example, 1168589 + ... + 1360911.

It is an arithmetic number, because the mean of its divisors is an integer number (14232456810).

Almost surely, 2^243240514250 is an apocalyptic number.

243240514250 is a deficient number, since it is larger than the sum of its proper divisors (212198103670).

243240514250 is a wasteful number, since it uses less digits than its factorization.

243240514250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197399 (or 197389 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 243240514250 its reverse (52415042342), we get a palindrome (295655556592).

The spelling of 243240514250 in words is "two hundred forty-three billion, two hundred forty million, five hundred fourteen thousand, two hundred fifty".