242306340 has 48 divisors (see below), whose sum is σ = 696800832. Its totient is φ = 62868096.

The previous prime is 242306293. The next prime is 242306353. The reversal of 242306340 is 43603242.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 242306340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52354 + ... + 56793.

It is an arithmetic number, because the mean of its divisors is an integer number (14516684).

Almost surely, 2^242306340 is an apocalyptic number.

242306340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242306340 is an abundant number, since it is smaller than the sum of its proper divisors (454494492).

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

242306340 is a wasteful number, since it uses less digits than its factorization.

242306340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109196 (or 109194 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 242306340 is about 15566.1922126126. The cubic root of 242306340 is about 623.4308069771.

Adding to 242306340 its reverse (43603242), we get a palindrome (285909582).

The spelling of 242306340 in words is "two hundred forty-two million, three hundred six thousand, three hundred forty".