442496173 has 4 divisors (see below), whose sum is σ = 505709920. Its totient is φ = 379282428.

The previous prime is 442496141. The next prime is 442496221. The reversal of 442496173 is 371694244.

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 not a de Polignac number, because 442496173 - 2⁵ = 442496141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442496473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31606863 + ... + 31606876.

It is an arithmetic number, because the mean of its divisors is an integer number (126427480).

Almost surely, 2^442496173 is an apocalyptic number.

It is an amenable number.

442496173 is a deficient number, since it is larger than the sum of its proper divisors (63213747).

442496173 is an equidigital number, since it uses as much as digits as its factorization.

442496173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63213746.

The product of its digits is 145152, while the sum is 40.

The square root of 442496173 is about 21035.5930032885. The cubic root of 442496173 is about 762.0260879553.

The spelling of 442496173 in words is "four hundred forty-two million, four hundred ninety-six thousand, one hundred seventy-three".