240539268 has 12 divisors (see below), whose sum is σ = 561258320. Its totient is φ = 80179752.

The previous prime is 240539219. The next prime is 240539353. The reversal of 240539268 is 862935042.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10022458 + ... + 10022481.

Almost surely, 2^240539268 is an apocalyptic number.

It is an amenable number.

240539268 is an abundant number, since it is smaller than the sum of its proper divisors (320719052).

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

240539268 is a wasteful number, since it uses less digits than its factorization.

240539268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20044946 (or 20044944 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 240539268 is about 15509.3284187292. The cubic root of 240539268 is about 621.9116060807.

The spelling of 240539268 in words is "two hundred forty million, five hundred thirty-nine thousand, two hundred sixty-eight".