42421423431432 has 16 divisors (see below), whose sum is σ = 106053558578640. Its totient is φ = 14140474477136.

The previous prime is 42421423431319. The next prime is 42421423431433. The reversal of 42421423431432 is 23413432412424.

42421423431432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×42421423431432³ (a number of 42 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (42421423431433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 883779654798 + ... + 883779654845.

It is an arithmetic number, because the mean of its divisors is an integer number (6628347411165).

Almost surely, 2^{42421423431432} is an apocalyptic number.

It is an amenable number.

42421423431432 is an abundant number, since it is smaller than the sum of its proper divisors (63632135147208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42421423431432 is a wasteful number, since it uses less digits than its factorization.

42421423431432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767559309652 (or 1767559309648 counting only the distinct ones).

The product of its digits is 442368, while the sum is 39.

Adding to 42421423431432 its reverse (23413432412424), we get a palindrome (65834855843856).

The spelling of 42421423431432 in words is "forty-two trillion, four hundred twenty-one billion, four hundred twenty-three million, four hundred thirty-one thousand, four hundred thirty-two".