43091249408 has 36 divisors (see below), whose sum is σ = 88980194940. Its totient is φ = 20802668544.

The previous prime is 43091249389. The next prime is 43091249413. The reversal of 43091249408 is 80494219034.

It can be written as a sum of positive squares in 2 ways, for example, as 13076379904 + 30014869504 = 114352^2 + 173248^2 .

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, 2894735 + ... + 2909582.

Almost surely, 2^43091249408 is an apocalyptic number.

It is an amenable number.

43091249408 is an abundant number, since it is smaller than the sum of its proper divisors (45888945532).

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

43091249408 is an equidigital number, since it uses as much as digits as its factorization.

43091249408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804362 (or 5804348 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 43091249408 in words is "forty-three billion, ninety-one million, two hundred forty-nine thousand, four hundred eight".