240668928 has 72 divisors (see below), whose sum is σ = 711720800. Its totient is φ = 80220672.

The previous prime is 240668927. The next prime is 240668929. The reversal of 240668928 is 829866042.

It is an interprime number because it is at equal distance from previous prime (240668927) and next prime (240668929).

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (240668927) 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, 10498 + ... + 24321.

Almost surely, 2^240668928 is an apocalyptic number.

It is an amenable number.

240668928 is an abundant number, since it is smaller than the sum of its proper divisors (471051872).

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

240668928 is an equidigital number, since it uses as much as digits as its factorization.

240668928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34844 (or 34824 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 240668928 is about 15513.5079205188. The cubic root of 240668928 is about 622.0233308384.

The spelling of 240668928 in words is "two hundred forty million, six hundred sixty-eight thousand, nine hundred twenty-eight".