242910320 has 20 divisors (see below), whose sum is σ = 564766680. Its totient is φ = 97164096.

The previous prime is 242910319. The next prime is 242910323. The reversal of 242910320 is 23019242.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242910323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1518110 + ... + 1518269.

It is an arithmetic number, because the mean of its divisors is an integer number (28238334).

Almost surely, 2^242910320 is an apocalyptic number.

242910320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242910320 is an abundant number, since it is smaller than the sum of its proper divisors (321856360).

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

242910320 is a wasteful number, since it uses less digits than its factorization.

242910320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036392 (or 3036386 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 242910320 is about 15585.5805153353. The cubic root of 242910320 is about 623.9483712489.

Adding to 242910320 its reverse (23019242), we get a palindrome (265929562).

The spelling of 242910320 in words is "two hundred forty-two million, nine hundred ten thousand, three hundred twenty".