268842243544 has 16 divisors (see below), whose sum is σ = 576090522000. Its totient is φ = 115218104352.

The previous prime is 268842243541. The next prime is 268842243569. The reversal of 268842243544 is 445342248862.

It is a junction number, because it is equal to n+sod(n) for n = 268842243491 and 268842243500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268842243541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2400377119 + ... + 2400377230.

It is an arithmetic number, because the mean of its divisors is an integer number (36005657625).

Almost surely, 2^268842243544 is an apocalyptic number.

It is an amenable number.

268842243544 is an abundant number, since it is smaller than the sum of its proper divisors (307248278456).

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

268842243544 is a wasteful number, since it uses less digits than its factorization.

268842243544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800754362 (or 4800754358 counting only the distinct ones).

The product of its digits is 11796480, while the sum is 52.

The spelling of 268842243544 in words is "two hundred sixty-eight billion, eight hundred forty-two million, two hundred forty-three thousand, five hundred forty-four".