242491244356 has 9 divisors (see below), whose sum is σ = 424361401149. Its totient is φ = 121245129744.

The previous prime is 242491244353. The next prime is 242491244381. The reversal of 242491244356 is 653442194242.

The square root of 242491244356 is 492434.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18179128900 + 224312115456 = 134830^2 + 473616^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242491244353) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 861760 + ... + 1107976.

Almost surely, 2^242491244356 is an apocalyptic number.

242491244356 is the 492434-th square number.

It is an amenable number.

242491244356 is a deficient number, since it is larger than the sum of its proper divisors (181870156793).

242491244356 is an frugal number, since it uses more digits than its factorization.

242491244356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492438 (or 246219 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 46.

The spelling of 242491244356 in words is "two hundred forty-two billion, four hundred ninety-one million, two hundred forty-four thousand, three hundred fifty-six".