43789994368 has 32 divisors (see below), whose sum is σ = 87294810960. Its totient is φ = 21880708608.

The previous prime is 43789994359. The next prime is 43789994389. The reversal of 43789994368 is 86349998734.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 43789994297 and 43789994306.

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, 86646 + ... + 308362.

Almost surely, 2^43789994368 is an apocalyptic number.

It is an amenable number.

43789994368 is a deficient number, since it is larger than the sum of its proper divisors (43504816592).

43789994368 is a wasteful number, since it uses less digits than its factorization.

43789994368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223274 (or 223262 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 70.

The spelling of 43789994368 in words is "forty-three billion, seven hundred eighty-nine million, nine hundred ninety-four thousand, three hundred sixty-eight".