42432433423425 has 48 divisors (see below), whose sum is σ = 77971711713280. Its totient is φ = 22624313757120.

The previous prime is 42432433423423. The next prime is 42432433423451. The reversal of 42432433423425 is 52432433423424.

42432433423425 is a `hidden beast` number, since 4 + 2 + 43 + 24 + 334 + 234 + 25 = 666.

It is not a de Polignac number, because 42432433423425 - 2¹ = 42432433423423 is a prime.

It is a super-2 number, since 2×42432433423425² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (42432433423423) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 6353854 + ... + 11190903.

Almost surely, 2^{42432433423425} is an apocalyptic number.

42432433423425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42432433423425 is a deficient number, since it is larger than the sum of its proper divisors (35539278289855).

42432433423425 is a wasteful number, since it uses less digits than its factorization.

42432433423425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17548359 (or 17548348 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 45.

Adding to 42432433423425 its reverse (52432433423424), we get a palindrome (94864866846849).

Subtracting 42432433423425 from its reverse (52432433423424), we obtain a palindrome (9999999999999).

The spelling of 42432433423425 in words is "forty-two trillion, four hundred thirty-two billion, four hundred thirty-three million, four hundred twenty-three thousand, four hundred twenty-five".