240978595505 has 8 divisors (see below), whose sum is σ = 289657080000. Its totient is φ = 192461032816.

The previous prime is 240978595493. The next prime is 240978595531. The reversal of 240978595505 is 505595879042.

240978595505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-240978595505 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40227155 + ... + 40233144.

It is an arithmetic number, because the mean of its divisors is an integer number (36207135000).

Almost surely, 2^240978595505 is an apocalyptic number.

It is an amenable number.

240978595505 is a deficient number, since it is larger than the sum of its proper divisors (48678484495).

240978595505 is an equidigital number, since it uses as much as digits as its factorization.

240978595505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80460903.

The product of its (nonzero) digits is 22680000, while the sum is 59.

The spelling of 240978595505 in words is "two hundred forty billion, nine hundred seventy-eight million, five hundred ninety-five thousand, five hundred five".