43440163324 has 12 divisors (see below), whose sum is σ = 76302891000. Its totient is φ = 21639337328.

The previous prime is 43440163309. The next prime is 43440163331. The reversal of 43440163324 is 42336104434.

It is a self number, because there is not a number n which added to its sum of digits gives 43440163324.

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, 20184874 + ... + 20187025.

It is an arithmetic number, because the mean of its divisors is an integer number (6358574250).

Almost surely, 2^43440163324 is an apocalyptic number.

It is an amenable number.

43440163324 is a deficient number, since it is larger than the sum of its proper divisors (32862727676).

43440163324 is a wasteful number, since it uses less digits than its factorization.

43440163324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40372172 (or 40372170 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 43440163324 its reverse (42336104434), we get a palindrome (85776267758).

The spelling of 43440163324 in words is "forty-three billion, four hundred forty million, one hundred sixty-three thousand, three hundred twenty-four".