42443525440425 has 192 divisors, whose sum is σ = 73418329497600. Its totient is φ = 21618277524480.

The previous prime is 42443525440391. The next prime is 42443525440441. The reversal of 42443525440425 is 52404452534424.

It is a happy number.

It is not a de Polignac number, because 42443525440425 - 2³⁷ = 42306086486953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 38832136179 + ... + 38832137271.

It is an arithmetic number, because the mean of its divisors is an integer number (382387132800).

Almost surely, 2^{42443525440425} is an apocalyptic number.

It is an amenable number.

42443525440425 is a deficient number, since it is larger than the sum of its proper divisors (30974804057175).

42443525440425 is a wasteful number, since it uses less digits than its factorization.

42443525440425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 12288000, while the sum is 48.

Adding to 42443525440425 its reverse (52404452534424), we get a palindrome (94847977974849).

The spelling of 42443525440425 in words is "forty-two trillion, four hundred forty-three billion, five hundred twenty-five million, four hundred forty thousand, four hundred twenty-five".