10140043664644 has 24 divisors (see below), whose sum is σ = 17815210005600. Its totient is φ = 5050014854976.

The previous prime is 10140043664629. The next prime is 10140043664651. The reversal of 10140043664644 is 44646634004101.

It is a super-2 number, since 2×10140043664644² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10140043664644.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2597794 + ... + 5198905.

It is an arithmetic number, because the mean of its divisors is an integer number (742300416900).

Almost surely, 2^{10140043664644} is an apocalyptic number.

It is an amenable number.

10140043664644 is a deficient number, since it is larger than the sum of its proper divisors (7675166340956).

10140043664644 is a wasteful number, since it uses less digits than its factorization.

10140043664644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797987 (or 7797985 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 43.

Adding to 10140043664644 its reverse (44646634004101), we get a palindrome (54786677668745).

The spelling of 10140043664644 in words is "ten trillion, one hundred forty billion, forty-three million, six hundred sixty-four thousand, six hundred forty-four".