433642442 has 8 divisors (see below), whose sum is σ = 668043876. Its totient is φ = 210961152.

The previous prime is 433642441. The next prime is 433642457. The reversal of 433642442 is 244246334.

It can be written as a sum of positive squares in 2 ways, for example, as 428448601 + 5193841 = 20699^2 + 2279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 433642399 and 433642408.

It is not an unprimeable number, because it can be changed into a prime (433642441) 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, 2929943 + ... + 2930090.

Almost surely, 2^433642442 is an apocalyptic number.

433642442 is a deficient number, since it is larger than the sum of its proper divisors (234401434).

433642442 is a wasteful number, since it uses less digits than its factorization.

433642442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860072.

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

The square root of 433642442 is about 20824.0832211168. The cubic root of 433642442 is about 756.9094495002.

Adding to 433642442 its reverse (244246334), we get a palindrome (677888776).

The spelling of 433642442 in words is "four hundred thirty-three million, six hundred forty-two thousand, four hundred forty-two".