240642652 has 12 divisors (see below), whose sum is σ = 439434576. Its totient is φ = 115089920.

The previous prime is 240642641. The next prime is 240642671. The reversal of 240642652 is 256246042.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1307749 + ... + 1307932.

It is an arithmetic number, because the mean of its divisors is an integer number (36619548).

Almost surely, 2^240642652 is an apocalyptic number.

It is an amenable number.

240642652 is a deficient number, since it is larger than the sum of its proper divisors (198791924).

240642652 is a wasteful number, since it uses less digits than its factorization.

240642652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615708 (or 2615706 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 240642652 is about 15512.6610225325. The cubic root of 240642652 is about 622.0006927133. Note that the first 3 decimals are identical.

Adding to 240642652 its reverse (256246042), we get a palindrome (496888694).

The spelling of 240642652 in words is "two hundred forty million, six hundred forty-two thousand, six hundred fifty-two".