240641143066466 has 8 divisors (see below), whose sum is σ = 363384276443100. Its totient is φ = 119513050918768.

The previous prime is 240641143066397. The next prime is 240641143066543. The reversal of 240641143066466 is 664660341146042.

It can be written as a sum of positive squares in 2 ways, for example, as 197895372165841 + 42745770900625 = 14067529^2 + 6538025^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403760306861 + ... + 403760307456.

Almost surely, 2^{240641143066466} is an apocalyptic number.

240641143066466 is a deficient number, since it is larger than the sum of its proper divisors (122743133376634).

240641143066466 is a wasteful number, since it uses less digits than its factorization.

240641143066466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807520614468.

The product of its (nonzero) digits is 11943936, while the sum is 53.

The spelling of 240641143066466 in words is "two hundred forty trillion, six hundred forty-one billion, one hundred forty-three million, sixty-six thousand, four hundred sixty-six".