43318294028 has 24 divisors (see below), whose sum is σ = 79817236800. Its totient is φ = 20513951568.

The previous prime is 43318294021. The next prime is 43318294039. The reversal of 43318294028 is 82049281334.

It is a self number, because there is not a number n which added to its sum of digits gives 43318294028.

It is not an unprimeable number, because it can be changed into a prime (43318294021) 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, 235283 + ... + 376821.

It is an arithmetic number, because the mean of its divisors is an integer number (3325718200).

Almost surely, 2^43318294028 is an apocalyptic number.

It is an amenable number.

43318294028 is a deficient number, since it is larger than the sum of its proper divisors (36498942772).

43318294028 is a wasteful number, since it uses less digits than its factorization.

43318294028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145589 (or 145587 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 43318294028 in words is "forty-three billion, three hundred eighteen million, two hundred ninety-four thousand, twenty-eight".