10443655644 has 12 divisors (see below), whose sum is σ = 24368529864. Its totient is φ = 3481218544.

The previous prime is 10443655639. The next prime is 10443655687. The reversal of 10443655644 is 44655634401.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 10443655596 and 10443655605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435152307 + ... + 435152330.

It is an arithmetic number, because the mean of its divisors is an integer number (2030710822).

Almost surely, 2^10443655644 is an apocalyptic number.

It is an amenable number.

10443655644 is an abundant number, since it is smaller than the sum of its proper divisors (13924874220).

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

10443655644 is a wasteful number, since it uses less digits than its factorization.

10443655644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870304644 (or 870304642 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 10443655644 in words is "ten billion, four hundred forty-three million, six hundred fifty-five thousand, six hundred forty-four".