242861020568 has 64 divisors (see below), whose sum is σ = 462639600000. Its totient is φ = 119504892672.

The previous prime is 242861020559. The next prime is 242861020583. The reversal of 242861020568 is 865020168242.

It is a super-2 number, since 2×242861020568² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 185814971 + ... + 185816277.

It is an arithmetic number, because the mean of its divisors is an integer number (7228743750).

Almost surely, 2^242861020568 is an apocalyptic number.

It is an amenable number.

242861020568 is a deficient number, since it is larger than the sum of its proper divisors (219778579432).

242861020568 is a wasteful number, since it uses less digits than its factorization.

242861020568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424 (or 2420 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 242861020568 in words is "two hundred forty-two billion, eight hundred sixty-one million, twenty thousand, five hundred sixty-eight".