440136569460656 has 20 divisors (see below), whose sum is σ = 852772252637712. Its totient is φ = 220066310715456.

The previous prime is 440136569460617. The next prime is 440136569460659. The reversal of 440136569460656 is 656064965631044.

It is a junction number, because it is equal to n+sod(n) for n = 440136569460592 and 440136569460601.

It is not an unprimeable number, because it can be changed into a prime (440136569460659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121535636 + ... + 125104691.

Almost surely, 2^{440136569460656} is an apocalyptic number.

It is an amenable number.

440136569460656 is a deficient number, since it is larger than the sum of its proper divisors (412635683177056).

440136569460656 is a wasteful number, since it uses less digits than its factorization.

440136569460656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246751868 (or 246751862 counting only the distinct ones).

The product of its (nonzero) digits is 335923200, while the sum is 65.

The spelling of 440136569460656 in words is "four hundred forty trillion, one hundred thirty-six billion, five hundred sixty-nine million, four hundred sixty thousand, six hundred fifty-six".