242939145568 has 24 divisors (see below), whose sum is σ = 546613078032. Its totient is φ = 104116776576.

The previous prime is 242939145563. The next prime is 242939145571. The reversal of 242939145568 is 865541939242.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242939145563) 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, 542274655 + ... + 542275102.

It is an arithmetic number, because the mean of its divisors is an integer number (22775544918).

Almost surely, 2^242939145568 is an apocalyptic number.

242939145568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

242939145568 is an abundant number, since it is smaller than the sum of its proper divisors (303673932464).

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

242939145568 is a wasteful number, since it uses less digits than its factorization.

242939145568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084549774 (or 1084549766 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 58.

The spelling of 242939145568 in words is "two hundred forty-two billion, nine hundred thirty-nine million, one hundred forty-five thousand, five hundred sixty-eight".