432421320344 has 128 divisors (see below), whose sum is σ = 914257108800. Its totient is φ = 190415370240.

The previous prime is 432421320343. The next prime is 432421320371. The reversal of 432421320344 is 443023124234.

It is a self number, because there is not a number n which added to its sum of digits gives 432421320344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432421320343) 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 31 ways as a sum of consecutive naturals, for example, 81447962 + ... + 81453270.

Almost surely, 2^432421320344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 432421320344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457128554400).

432421320344 is an abundant number, since it is smaller than the sum of its proper divisors (481835788456).

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

432421320344 is a wasteful number, since it uses less digits than its factorization.

432421320344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773 (or 5769 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 432421320344 its reverse (443023124234), we get a palindrome (875444444578).

The spelling of 432421320344 in words is "four hundred thirty-two billion, four hundred twenty-one million, three hundred twenty thousand, three hundred forty-four".