240243442 has 16 divisors (see below), whose sum is σ = 371747160. Its totient is φ = 116356608.

The previous prime is 240243433. The next prime is 240243449. The reversal of 240243442 is 244342042.

240243442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 194017041 + 46226401 = 13929^2 + 6799^2 .

It is a super-2 number, since 2×240243442² = 115433822848014728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240243449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9858 + ... + 24034.

Almost surely, 2^240243442 is an apocalyptic number.

240243442 is a deficient number, since it is larger than the sum of its proper divisors (131503718).

240243442 is a wasteful number, since it uses less digits than its factorization.

240243442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14445.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 240243442 is about 15499.7884501692. The cubic root of 240243442 is about 621.6565498796.

Adding to 240243442 its reverse (244342042), we get a palindrome (484585484).

The spelling of 240243442 in words is "two hundred forty million, two hundred forty-three thousand, four hundred forty-two".