432441442 has 4 divisors (see below), whose sum is σ = 648662166. Its totient is φ = 216220720.

The previous prime is 432441439. The next prime is 432441479. The reversal of 432441442 is 244144234.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 409698081 + 22743361 = 20241^2 + 4769^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 432441442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108110359 + ... + 108110362.

Almost surely, 2^432441442 is an apocalyptic number.

432441442 is a deficient number, since it is larger than the sum of its proper divisors (216220724).

432441442 is a wasteful number, since it uses less digits than its factorization.

432441442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216220723.

The product of its digits is 12288, while the sum is 28.

The square root of 432441442 is about 20795.2264233886. The cubic root of 432441442 is about 756.2100339784.

Adding to 432441442 its reverse (244144234), we get a palindrome (676585676).

The spelling of 432441442 in words is "four hundred thirty-two million, four hundred forty-one thousand, four hundred forty-two".