240666666064 has 40 divisors (see below), whose sum is σ = 516274108128. Its totient is φ = 107761188480.

The previous prime is 240666666011. The next prime is 240666666077. The reversal of 240666666064 is 460666666042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10192867 + ... + 10216450.

Almost surely, 2^240666666064 is an apocalyptic number.

It is an amenable number.

240666666064 is an abundant number, since it is smaller than the sum of its proper divisors (275607442064).

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

240666666064 is a wasteful number, since it uses less digits than its factorization.

240666666064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20409403 (or 20409397 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 52.

The spelling of 240666666064 in words is "two hundred forty billion, six hundred sixty-six million, six hundred sixty-six thousand, sixty-four".