10140043661264 has 40 divisors (see below), whose sum is σ = 21432991019232. Its totient is φ = 4608976129920.

The previous prime is 10140043661263. The next prime is 10140043661269. The reversal of 10140043661264 is 46216634004101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140043661261) 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, 5329562 + ... + 6977414.

Almost surely, 2^{10140043661264} is an apocalyptic number.

It is an amenable number.

10140043661264 is an abundant number, since it is smaller than the sum of its proper divisors (11292947357968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10140043661264 is a wasteful number, since it uses less digits than its factorization.

10140043661264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682835 (or 1682829 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

Adding to 10140043661264 its reverse (46216634004101), we get a palindrome (56356677665365).

The spelling of 10140043661264 in words is "ten trillion, one hundred forty billion, forty-three million, six hundred sixty-one thousand, two hundred sixty-four".