442875327185 has 16 divisors (see below), whose sum is σ = 531912258000. Its totient is φ = 353992482816.

The previous prime is 442875327173. The next prime is 442875327199. The reversal of 442875327185 is 581723578244.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 47796453376 + 395078873809 = 218624^2 + 628553^2 .

It is a cyclic number.

It is not a de Polignac number, because 442875327185 - 2²⁸ = 442606891729 is a prime.

It is a super-2 number, since 2×442875327185² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442875327185.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50043641 + ... + 50052489.

It is an arithmetic number, because the mean of its divisors is an integer number (33244516125).

Almost surely, 2^442875327185 is an apocalyptic number.

It is an amenable number.

442875327185 is a deficient number, since it is larger than the sum of its proper divisors (89036930815).

442875327185 is a wasteful number, since it uses less digits than its factorization.

442875327185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16420.

The product of its digits is 15052800, while the sum is 56.

The spelling of 442875327185 in words is "four hundred forty-two billion, eight hundred seventy-five million, three hundred twenty-seven thousand, one hundred eighty-five".