242724320 has 24 divisors (see below), whose sum is σ = 573436584. Its totient is φ = 97089664.

The previous prime is 242724299. The next prime is 242724323. The reversal of 242724320 is 23427242.

It is a self number, because there is not a number n which added to its sum of digits gives 242724320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242724323) 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 3 ways as a sum of consecutive naturals, for example, 758354 + ... + 758673.

It is an arithmetic number, because the mean of its divisors is an integer number (23893191).

Almost surely, 2^242724320 is an apocalyptic number.

242724320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242724320 is an abundant number, since it is smaller than the sum of its proper divisors (330712264).

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

242724320 is a wasteful number, since it uses less digits than its factorization.

242724320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517042 (or 1517034 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 242724320 is about 15579.6123186683. The cubic root of 242724320 is about 623.7890751060.

The spelling of 242724320 in words is "two hundred forty-two million, seven hundred twenty-four thousand, three hundred twenty".