43442163230425 has 12 divisors (see below), whose sum is σ = 53888315320060. Its totient is φ = 34740806123520.

The previous prime is 43442163230407. The next prime is 43442163230441. The reversal of 43442163230425 is 52403236124434.

43442163230425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3230686302921 + 40211476927504 = 1797411^2 + 6341252^2 .

It is not a de Polignac number, because 43442163230425 - 2⁵ = 43442163230393 is a prime.

It is a super-2 number, since 2×43442163230425² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323042952 + ... + 323177401.

Almost surely, 2^{43442163230425} is an apocalyptic number.

It is an amenable number.

43442163230425 is a deficient number, since it is larger than the sum of its proper divisors (10446152089635).

43442163230425 is a wasteful number, since it uses less digits than its factorization.

43442163230425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646223052 (or 646223047 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 43.

Adding to 43442163230425 its reverse (52403236124434), we get a palindrome (95845399354859).

The spelling of 43442163230425 in words is "forty-three trillion, four hundred forty-two billion, one hundred sixty-three million, two hundred thirty thousand, four hundred twenty-five".