240260066645 has 8 divisors (see below), whose sum is σ = 289085036856. Its totient is φ = 191692748736.

The previous prime is 240260066633. The next prime is 240260066689. The reversal of 240260066645 is 546660062042.

It can be written as a sum of positive squares in 4 ways, for example, as 19602520081 + 220657546564 = 140009^2 + 469742^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240260066645 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64411022 + ... + 64414751.

It is an arithmetic number, because the mean of its divisors is an integer number (36135629607).

Almost surely, 2^240260066645 is an apocalyptic number.

It is an amenable number.

240260066645 is a deficient number, since it is larger than the sum of its proper divisors (48824970211).

240260066645 is a wasteful number, since it uses less digits than its factorization.

240260066645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128826151.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 240260066645 in words is "two hundred forty billion, two hundred sixty million, sixty-six thousand, six hundred forty-five".