240261068545 has 16 divisors (see below), whose sum is σ = 300897400320. Its totient is φ = 183822151744.

The previous prime is 240261068539. The next prime is 240261068587. The reversal of 240261068545 is 545860162042.

It is a cyclic number.

It is not a de Polignac number, because 240261068545 - 2⁵ = 240261068513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556851 + ... + 889159.

It is an arithmetic number, because the mean of its divisors is an integer number (18806087520).

Almost surely, 2^240261068545 is an apocalyptic number.

It is an amenable number.

240261068545 is a deficient number, since it is larger than the sum of its proper divisors (60636331775).

240261068545 is a wasteful number, since it uses less digits than its factorization.

240261068545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338624.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 240261068545 in words is "two hundred forty billion, two hundred sixty-one million, sixty-eight thousand, five hundred forty-five".