442168432 has 20 divisors (see below), whose sum is σ = 857151736. Its totient is φ = 220968000.

The previous prime is 442168421. The next prime is 442168439. The reversal of 442168432 is 234861244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442168439) 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, 29878 + ... + 42154.

Almost surely, 2^442168432 is an apocalyptic number.

It is an amenable number.

442168432 is a deficient number, since it is larger than the sum of its proper divisors (414983304).

442168432 is a wasteful number, since it uses less digits than its factorization.

442168432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14536 (or 14530 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 442168432 is about 21027.8014067092. The cubic root of 442168432 is about 761.8379063827.

The spelling of 442168432 in words is "four hundred forty-two million, one hundred sixty-eight thousand, four hundred thirty-two".