432044021 has 4 divisors (see below), whose sum is σ = 454783200. Its totient is φ = 409304844.

The previous prime is 432043981. The next prime is 432044027. The reversal of 432044021 is 120440234.

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 432044021 - 2⁶ = 432043957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 432043984 and 432044002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432044027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11369561 + ... + 11369598.

It is an arithmetic number, because the mean of its divisors is an integer number (113695800).

Almost surely, 2^432044021 is an apocalyptic number.

It is an amenable number.

432044021 is a deficient number, since it is larger than the sum of its proper divisors (22739179).

432044021 is a wasteful number, since it uses less digits than its factorization.

432044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22739178.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 432044021 is about 20785.6686445252. The cubic root of 432044021 is about 755.9783063725.

Adding to 432044021 its reverse (120440234), we get a palindrome (552484255).

The spelling of 432044021 in words is "four hundred thirty-two million, forty-four thousand, twenty-one".