43986465268 has 12 divisors (see below), whose sum is σ = 76980332772. Its totient is φ = 21992084480.

The previous prime is 43986465251. The next prime is 43986465301. The reversal of 43986465268 is 86256468934.

It can be written as a sum of positive squares in 2 ways, for example, as 2277389284 + 41709075984 = 47722^2 + 204228^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197755 + ... + 356482.

It is an arithmetic number, because the mean of its divisors is an integer number (6415027731).

Almost surely, 2^43986465268 is an apocalyptic number.

It is an amenable number.

43986465268 is a deficient number, since it is larger than the sum of its proper divisors (32993867504).

43986465268 is a wasteful number, since it uses less digits than its factorization.

43986465268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574082 (or 574080 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 61.

The spelling of 43986465268 in words is "forty-three billion, nine hundred eighty-six million, four hundred sixty-five thousand, two hundred sixty-eight".