10645440623266 has 16 divisors (see below), whose sum is σ = 16114834901880. Its totient is φ = 5273830062720.

The previous prime is 10645440623261. The next prime is 10645440623297. The reversal of 10645440623266 is 66232604454601.

It can be written as a sum of positive squares in 4 ways, for example, as 4753145589241 + 5892295034025 = 2180171^2 + 2427405^2 .

It is a super-2 number, since 2×10645440623266² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10645440623261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25108510 + ... + 25528966.

Almost surely, 2^{10645440623266} is an apocalyptic number.

10645440623266 is a deficient number, since it is larger than the sum of its proper divisors (5469394278614).

10645440623266 is a wasteful number, since it uses less digits than its factorization.

10645440623266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536709.

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 10645440623266 in words is "ten trillion, six hundred forty-five billion, four hundred forty million, six hundred twenty-three thousand, two hundred sixty-six".