242544620 has 96 divisors (see below), whose sum is σ = 550556160. Its totient is φ = 89579520.

The previous prime is 242544619. The next prime is 242544647. The reversal of 242544620 is 26445242.

242544620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2225126 + ... + 2225234.

It is an arithmetic number, because the mean of its divisors is an integer number (5734960).

Almost surely, 2^242544620 is an apocalyptic number.

242544620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242544620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275278080).

242544620 is an abundant number, since it is smaller than the sum of its proper divisors (308011540).

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

242544620 is a wasteful number, since it uses less digits than its factorization.

242544620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 242544620 is about 15573.8440983593. The cubic root of 242544620 is about 623.6350971676.

Adding to 242544620 its reverse (26445242), we get a palindrome (268989862).

The spelling of 242544620 in words is "two hundred forty-two million, five hundred forty-four thousand, six hundred twenty".