240540242 has 8 divisors (see below), whose sum is σ = 382034556. Its totient is φ = 113195392.

The previous prime is 240540229. The next prime is 240540257. The reversal of 240540242 is 242045042.

240540242 is digitally balanced in base 2, 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 2 ways, for example, as 228644641 + 11895601 = 15121^2 + 3449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3537323 + ... + 3537390.

Almost surely, 2^240540242 is an apocalyptic number.

240540242 is a deficient number, since it is larger than the sum of its proper divisors (141494314).

240540242 is a wasteful number, since it uses less digits than its factorization.

240540242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074732.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 240540242 is about 15509.3598191544. The cubic root of 240540242 is about 621.9124455016.

Adding to 240540242 its reverse (242045042), we get a palindrome (482585284).

The spelling of 240540242 in words is "two hundred forty million, five hundred forty thousand, two hundred forty-two".