242540916 has 12 divisors (see below), whose sum is σ = 565928832. Its totient is φ = 80846968.

The previous prime is 242540863. The next prime is 242540929. The reversal of 242540916 is 619045242.

242540916 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10105860 + ... + 10105883.

It is an arithmetic number, because the mean of its divisors is an integer number (47160736).

Almost surely, 2^242540916 is an apocalyptic number.

It is an amenable number.

242540916 is an abundant number, since it is smaller than the sum of its proper divisors (323387916).

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

242540916 is a wasteful number, since it uses less digits than its factorization.

242540916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20211750 (or 20211748 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 242540916 is about 15573.7251805726. The cubic root of 242540916 is about 623.6319225542.

The spelling of 242540916 in words is "two hundred forty-two million, five hundred forty thousand, nine hundred sixteen".