240055666 has 16 divisors (see below), whose sum is σ = 363591360. Its totient is φ = 118862640.

The previous prime is 240055639. The next prime is 240055703. The reversal of 240055666 is 666550042.

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 7 ways as a sum of consecutive naturals, for example, 240280 + ... + 241276.

It is an arithmetic number, because the mean of its divisors is an integer number (22724460).

Almost surely, 2^240055666 is an apocalyptic number.

240055666 is a deficient number, since it is larger than the sum of its proper divisors (123535694).

240055666 is a wasteful number, since it uses less digits than its factorization.

240055666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 240055666 is about 15493.7298930890. The cubic root of 240055666 is about 621.4945439223.

The spelling of 240055666 in words is "two hundred forty million, fifty-five thousand, six hundred sixty-six".