240648664 has 16 divisors (see below), whose sum is σ = 452521800. Its totient is φ = 119976192.

The previous prime is 240648649. The next prime is 240648677. The reversal of 240648664 is 466846042.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40569 + ... + 46120.

Almost surely, 2^240648664 is an apocalyptic number.

It is an amenable number.

240648664 is a deficient number, since it is larger than the sum of its proper divisors (211873136).

240648664 is a wasteful number, since it uses less digits than its factorization.

240648664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87042 (or 87038 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 240648664 is about 15512.8547985211. The cubic root of 240648664 is about 622.0058725058.

The spelling of 240648664 in words is "two hundred forty million, six hundred forty-eight thousand, six hundred sixty-four".