242748754866 has 24 divisors (see below), whose sum is σ = 525982648464. Its totient is φ = 80912095800.

The previous prime is 242748754861. The next prime is 242748754867. The reversal of 242748754866 is 668457847242.

It is a happy number.

242748754866 is a `hidden beast` number, since 2 + 4 + 2 + 7 + 4 + 87 + 548 + 6 + 6 = 666.

It is a super-3 number, since 3×242748754866³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242748754861) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 24625 + ... + 697211.

It is an arithmetic number, because the mean of its divisors is an integer number (21915943686).

Almost surely, 2^242748754866 is an apocalyptic number.

242748754866 is an abundant number, since it is smaller than the sum of its proper divisors (283233893598).

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

242748754866 is a wasteful number, since it uses less digits than its factorization.

242748754866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692646 (or 692643 counting only the distinct ones).

The product of its digits is 144506880, while the sum is 63.

The spelling of 242748754866 in words is "two hundred forty-two billion, seven hundred forty-eight million, seven hundred fifty-four thousand, eight hundred sixty-six".