43289128328 has 16 divisors (see below), whose sum is σ = 81170461260. Its totient is φ = 21643672000.

The previous prime is 43289128237. The next prime is 43289128339. The reversal of 43289128328 is 82382198234.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38999140324 + 4289988004 = 197482^2 + 65498^2 .

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, 123938 + ... + 319278.

Almost surely, 2^43289128328 is an apocalyptic number.

It is an amenable number.

43289128328 is a deficient number, since it is larger than the sum of its proper divisors (37881332932).

43289128328 is a wasteful number, since it uses less digits than its factorization.

43289128328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223048 (or 223044 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The spelling of 43289128328 in words is "forty-three billion, two hundred eighty-nine million, one hundred twenty-eight thousand, three hundred twenty-eight".