242234740 has 72 divisors (see below), whose sum is σ = 563068800. Its totient is φ = 87468480.

The previous prime is 242234731. The next prime is 242234761. The reversal of 242234740 is 47432242.

242234740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 242234699 and 242234708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481329 + ... + 481831.

It is an arithmetic number, because the mean of its divisors is an integer number (7820400).

Almost surely, 2^242234740 is an apocalyptic number.

242234740 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 242234740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281534400).

242234740 is an abundant number, since it is smaller than the sum of its proper divisors (320834060).

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

242234740 is a wasteful number, since it uses less digits than its factorization.

242234740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 242234740 is about 15563.8921867250. The cubic root of 242234740 is about 623.3693942998.

Adding to 242234740 its reverse (47432242), we get a palindrome (289666982).

The spelling of 242234740 in words is "two hundred forty-two million, two hundred thirty-four thousand, seven hundred forty".