242951868 has 36 divisors (see below), whose sum is σ = 620100208. Its totient is φ = 80196480.

The previous prime is 242951861. The next prime is 242951869. The reversal of 242951868 is 868159242.

242951868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×242951868² = 118051220329378848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242951861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29053 + ... + 36468.

Almost surely, 2^242951868 is an apocalyptic number.

It is an amenable number.

242951868 is an abundant number, since it is smaller than the sum of its proper divisors (377148340).

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

242951868 is a wasteful number, since it uses less digits than its factorization.

242951868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65634 (or 65629 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 242951868 is about 15586.9133570441. The cubic root of 242951868 is about 623.9839431273.

The spelling of 242951868 in words is "two hundred forty-two million, nine hundred fifty-one thousand, eight hundred sixty-eight".