442795473 has 6 divisors (see below), whose sum is σ = 639593474. Its totient is φ = 295196976.

The previous prime is 442795459. The next prime is 442795477. The reversal of 442795473 is 374597244.

It can be written as a sum of positive squares in only one way, i.e., 348083649 + 94711824 = 18657^2 + 9732^2 .

It is not a de Polignac number, because 442795473 - 2⁸ = 442795217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442795477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24599740 + ... + 24599757.

Almost surely, 2^442795473 is an apocalyptic number.

It is an amenable number.

442795473 is a deficient number, since it is larger than the sum of its proper divisors (196798001).

442795473 is a wasteful number, since it uses less digits than its factorization.

442795473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49199503 (or 49199500 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 442795473 is about 21042.7059334108. The cubic root of 442795473 is about 762.1978581829.

The spelling of 442795473 in words is "four hundred forty-two million, seven hundred ninety-five thousand, four hundred seventy-three".