43431400244 has 12 divisors (see below), whose sum is σ = 76154276100. Its totient is φ = 21673035648.

The previous prime is 43431400237. The next prime is 43431400283. The reversal of 43431400244 is 44200413434.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22641220900 + 20790179344 = 150470^2 + 144188^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10663829 + ... + 10667900.

It is an arithmetic number, because the mean of its divisors is an integer number (6346189675).

Almost surely, 2^43431400244 is an apocalyptic number.

It is an amenable number.

43431400244 is a deficient number, since it is larger than the sum of its proper divisors (32722875856).

43431400244 is a wasteful number, since it uses less digits than its factorization.

43431400244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21332242 (or 21332240 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 43431400244 its reverse (44200413434), we get a palindrome (87631813678).

The spelling of 43431400244 in words is "forty-three billion, four hundred thirty-one million, four hundred thousand, two hundred forty-four".