4232404421 has 4 divisors (see below), whose sum is σ = 4837033632. Its totient is φ = 3627775212.

The previous prime is 4232404417. The next prime is 4232404447. The reversal of 4232404421 is 1244042324.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 4232404421 - 2² = 4232404417 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 (4232404721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302314595 + ... + 302314608.

It is an arithmetic number, because the mean of its divisors is an integer number (1209258408).

Almost surely, 2^4232404421 is an apocalyptic number.

It is an amenable number.

4232404421 is a deficient number, since it is larger than the sum of its proper divisors (604629211).

4232404421 is an equidigital number, since it uses as much as digits as its factorization.

4232404421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604629210.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 4232404421 is about 65056.9321517700. The cubic root of 4232404421 is about 1617.5674028609.

Adding to 4232404421 its reverse (1244042324), we get a palindrome (5476446745).

The spelling of 4232404421 in words is "four billion, two hundred thirty-two million, four hundred four thousand, four hundred twenty-one".