240705806705 has 32 divisors (see below), whose sum is σ = 356647269888. Its totient is φ = 151868851200.

The previous prime is 240705806687. The next prime is 240705806713. The reversal of 240705806705 is 507608507042.

It is not a de Polignac number, because 240705806705 - 2²⁸ = 240437371249 is a prime.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 709016 + ... + 992025.

It is an arithmetic number, because the mean of its divisors is an integer number (11145227184).

Almost surely, 2^240705806705 is an apocalyptic number.

It is an amenable number.

240705806705 is a deficient number, since it is larger than the sum of its proper divisors (115941463183).

240705806705 is a wasteful number, since it uses less digits than its factorization.

240705806705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701377.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 240705806705 in words is "two hundred forty billion, seven hundred five million, eight hundred six thousand, seven hundred five".