10140043664642 has 32 divisors (see below), whose sum is σ = 15913583288064. Its totient is φ = 4840807939200.

The previous prime is 10140043664629. The next prime is 10140043664651. The reversal of 10140043664642 is 24646634004101.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 10140043664642.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66223892 + ... + 66376832.

It is an arithmetic number, because the mean of its divisors is an integer number (497299477752).

Almost surely, 2^{10140043664642} is an apocalyptic number.

10140043664642 is a deficient number, since it is larger than the sum of its proper divisors (5773539623422).

10140043664642 is a wasteful number, since it uses less digits than its factorization.

10140043664642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170234.

The product of its (nonzero) digits is 331776, while the sum is 41.

Adding to 10140043664642 its reverse (24646634004101), we get a palindrome (34786677668743).

The spelling of 10140043664642 in words is "ten trillion, one hundred forty billion, forty-three million, six hundred sixty-four thousand, six hundred forty-two".