43732256768 has 36 divisors (see below), whose sum is σ = 87462086985. Its totient is φ = 21861396480.

The previous prime is 43732256759. The next prime is 43732256801. The reversal of 43732256768 is 86765223734.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 43011441664 + 720815104 = 207392^2 + 26848^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=147872.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9461498 + ... + 9466118.

Almost surely, 2^43732256768 is an apocalyptic number.

It is an amenable number.

43732256768 is a deficient number, since it is larger than the sum of its proper divisors (43729830217).

43732256768 is an frugal number, since it uses more digits than its factorization.

43732256768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9264 (or 4623 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 53.

The spelling of 43732256768 in words is "forty-three billion, seven hundred thirty-two million, two hundred fifty-six thousand, seven hundred sixty-eight".