243336240733426 has 8 divisors (see below), whose sum is σ = 365011597514844. Its totient is φ = 121665708228480.

The previous prime is 243336240733387. The next prime is 243336240733441. The reversal of 243336240733426 is 624337042633342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 164462285761225 + 78873954972201 = 12824285^2 + 8881101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1205943015 + ... + 1206144778.

Almost surely, 2^{243336240733426} is an apocalyptic number.

243336240733426 is a deficient number, since it is larger than the sum of its proper divisors (121675356781418).

243336240733426 is a wasteful number, since it uses less digits than its factorization.

243336240733426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412138236.

The product of its (nonzero) digits is 31352832, while the sum is 52.

The spelling of 243336240733426 in words is "two hundred forty-three trillion, three hundred thirty-six billion, two hundred forty million, seven hundred thirty-three thousand, four hundred twenty-six".