432440432221 has 4 divisors (see below), whose sum is σ = 494217636832. Its totient is φ = 370663227612.

The previous prime is 432440432219. The next prime is 432440432233. The reversal of 432440432221 is 122234044234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122234044234 = 2 ⋅61117022117.

It is a cyclic number.

It is not a de Polignac number, because 432440432221 - 2¹ = 432440432219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432440432821) 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, 30888602295 + ... + 30888602308.

It is an arithmetic number, because the mean of its divisors is an integer number (123554409208).

Almost surely, 2^432440432221 is an apocalyptic number.

It is an amenable number.

432440432221 is a deficient number, since it is larger than the sum of its proper divisors (61777204611).

432440432221 is an equidigital number, since it uses as much as digits as its factorization.

432440432221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61777204610.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 432440432221 its reverse (122234044234), we get a palindrome (554674476455).

The spelling of 432440432221 in words is "four hundred thirty-two billion, four hundred forty million, four hundred thirty-two thousand, two hundred twenty-one".