240613065 has 128 divisors (see below), whose sum is σ = 541900800. Its totient is φ = 98392320.

The previous prime is 240613063. The next prime is 240613073. The reversal of 240613065 is 560316042.

240613065 is a `hidden beast` number, since 2 + 40 + 613 + 0 + 6 + 5 = 666.

It is not a de Polignac number, because 240613065 - 2¹ = 240613063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240613063) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 821059 + ... + 821351.

It is an arithmetic number, because the mean of its divisors is an integer number (4233600).

Almost surely, 2^240613065 is an apocalyptic number.

It is an amenable number.

240613065 is an abundant number, since it is smaller than the sum of its proper divisors (301287735).

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

240613065 is a wasteful number, since it uses less digits than its factorization.

240613065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 240613065 is about 15511.7073528351. The cubic root of 240613065 is about 621.9752000189.

The spelling of 240613065 in words is "two hundred forty million, six hundred thirteen thousand, sixty-five".