43040530388 has 12 divisors (see below), whose sum is σ = 75326294400. Its totient is φ = 21518731992.

The previous prime is 43040530373. The next prime is 43040530397. The reversal of 43040530388 is 88303504034.

43040530388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 318938 + ... + 433361.

It is an arithmetic number, because the mean of its divisors is an integer number (6277191200).

Almost surely, 2^43040530388 is an apocalyptic number.

It is an amenable number.

43040530388 is a deficient number, since it is larger than the sum of its proper divisors (32285764012).

43040530388 is a wasteful number, since it uses less digits than its factorization.

43040530388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766606 (or 766604 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 43040530388 in words is "forty-three billion, forty million, five hundred thirty thousand, three hundred eighty-eight".