242715320 has 32 divisors (see below), whose sum is σ = 569855520. Its totient is φ = 92864640.

The previous prime is 242715293. The next prime is 242715331. The reversal of 242715320 is 23517242.

It is a self number, because there is not a number n which added to its sum of digits gives 242715320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130991 + ... + 132830.

It is an arithmetic number, because the mean of its divisors is an integer number (17807985).

Almost surely, 2^242715320 is an apocalyptic number.

242715320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242715320 is an abundant number, since it is smaller than the sum of its proper divisors (327140200).

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

242715320 is a wasteful number, since it uses less digits than its factorization.

242715320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263855 (or 263851 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 242715320 is about 15579.3234769678. The cubic root of 242715320 is about 623.7813651643.

The spelling of 242715320 in words is "two hundred forty-two million, seven hundred fifteen thousand, three hundred twenty".