43731287696 has 40 divisors (see below), whose sum is σ = 90419927040. Its totient is φ = 20417370624.

The previous prime is 43731287683. The next prime is 43731287701. The reversal of 43731287696 is 69678213734.

43731287696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 598436 + ... + 667523.

It is an arithmetic number, because the mean of its divisors is an integer number (2260498176).

Almost surely, 2^43731287696 is an apocalyptic number.

It is an amenable number.

43731287696 is an abundant number, since it is smaller than the sum of its proper divisors (46688639344).

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

43731287696 is a wasteful number, since it uses less digits than its factorization.

43731287696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266111 (or 1266105 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 56.

The spelling of 43731287696 in words is "forty-three billion, seven hundred thirty-one million, two hundred eighty-seven thousand, six hundred ninety-six".