43968407236 has 24 divisors (see below), whose sum is σ = 82876340120. Its totient is φ = 20289975552.

The previous prime is 43968407233. The next prime is 43968407251. The reversal of 43968407236 is 63270486934.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 671120836 + 43297286400 = 25906^2 + 208080^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (43968407233) 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, 293200 + ... + 417016.

Almost surely, 2^43968407236 is an apocalyptic number.

It is an amenable number.

43968407236 is a deficient number, since it is larger than the sum of its proper divisors (38907932884).

43968407236 is a wasteful number, since it uses less digits than its factorization.

43968407236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130663 (or 130661 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 43968407236 in words is "forty-three billion, nine hundred sixty-eight million, four hundred seven thousand, two hundred thirty-six".