442075117 has 8 divisors (see below), whose sum is σ = 484689600. Its totient is φ = 399864960.

The previous prime is 442075099. The next prime is 442075129. The reversal of 442075117 is 711570244.

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

It is not a de Polignac number, because 442075117 - 2⁷ = 442074989 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 (442075187) 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 7 ways as a sum of consecutive naturals, for example, 98788 + ... + 103165.

It is an arithmetic number, because the mean of its divisors is an integer number (60586200).

Almost surely, 2^442075117 is an apocalyptic number.

It is an amenable number.

442075117 is a deficient number, since it is larger than the sum of its proper divisors (42614483).

442075117 is a wasteful number, since it uses less digits than its factorization.

442075117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202163.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 442075117 is about 21025.5824413974. The cubic root of 442075117 is about 761.7843099847.

The spelling of 442075117 in words is "four hundred forty-two million, seventy-five thousand, one hundred seventeen".