240238668 has 24 divisors (see below), whose sum is σ = 579887280. Its totient is φ = 77318080.

The previous prime is 240238651. The next prime is 240238709. The reversal of 240238668 is 866832042.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 344823 + ... + 345518.

It is an arithmetic number, because the mean of its divisors is an integer number (24161970).

Almost surely, 2^240238668 is an apocalyptic number.

It is an amenable number.

240238668 is an abundant number, since it is smaller than the sum of its proper divisors (339648612).

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

240238668 is a wasteful number, since it uses less digits than its factorization.

240238668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690377 (or 690375 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 240238668 is about 15499.6344473023. The cubic root of 240238668 is about 621.6524321009.

The spelling of 240238668 in words is "two hundred forty million, two hundred thirty-eight thousand, six hundred sixty-eight".