43042041412 has 12 divisors (see below), whose sum is σ = 75362553196. Its totient is φ = 21509883360.

The previous prime is 43042041407. The next prime is 43042041473. The reversal of 43042041412 is 21414024034.

It can be written as a sum of positive squares in 2 ways, for example, as 19969646596 + 23072394816 = 141314^2 + 151896^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2775639 + ... + 2791102.

Almost surely, 2^43042041412 is an apocalyptic number.

It is an amenable number.

43042041412 is a deficient number, since it is larger than the sum of its proper divisors (32320511784).

43042041412 is a wasteful number, since it uses less digits than its factorization.

43042041412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568678 (or 5568676 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 43042041412 its reverse (21414024034), we get a palindrome (64456065446).

The spelling of 43042041412 in words is "forty-three billion, forty-two million, forty-one thousand, four hundred twelve".