43030040556 has 24 divisors (see below), whose sum is σ = 101068355584. Its totient is φ = 14248357200.

The previous prime is 43030040551. The next prime is 43030040591. The reversal of 43030040556 is 65504003034.

It is not an unprimeable number, because it can be changed into a prime (43030040551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11871820 + ... + 11875443.

Almost surely, 2^43030040556 is an apocalyptic number.

It is an amenable number.

43030040556 is an abundant number, since it is smaller than the sum of its proper divisors (58038315028).

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

43030040556 is a wasteful number, since it uses less digits than its factorization.

43030040556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23747421 (or 23747419 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 43030040556 in words is "forty-three billion, thirty million, forty thousand, five hundred fifty-six".