240266666 has 8 divisors (see below), whose sum is σ = 379368480. Its totient is φ = 113810508.

The previous prime is 240266659. The next prime is 240266669. The reversal of 240266666 is 666662042.

240266666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 6322807 = 240266666 / (2 + 4 + 0 + 2 + 6 + 6 + 6 + 6 + 6).

240266666 is a modest number, since divided by 66666 gives 2402 as remainder.

It is not an unprimeable number, because it can be changed into a prime (240266669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3161366 + ... + 3161441.

It is an arithmetic number, because the mean of its divisors is an integer number (47421060).

Almost surely, 2^240266666 is an apocalyptic number.

240266666 is a deficient number, since it is larger than the sum of its proper divisors (139101814).

240266666 is a wasteful number, since it uses less digits than its factorization.

240266666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322828.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 240266666 is about 15500.5376035801. The cubic root of 240266666 is about 621.6765807927.

The spelling of 240266666 in words is "two hundred forty million, two hundred sixty-six thousand, six hundred sixty-six".