442480878089 has 8 divisors (see below), whose sum is σ = 455477306760. Its totient is φ = 429656587776.

The previous prime is 442480878083. The next prime is 442480878139. The reversal of 442480878089 is 980878084244.

It can be written as a sum of positive squares in 4 ways, for example, as 5405190400 + 437075687689 = 73520^2 + 661117^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 442480878089 - 2²⁰ = 442479829513 is a prime.

It is a super-3 number, since 3×442480878089³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442480878083) 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, 43029374 + ... + 43039655.

It is an arithmetic number, because the mean of its divisors is an integer number (56934663345).

Almost surely, 2^442480878089 is an apocalyptic number.

It is an amenable number.

442480878089 is a deficient number, since it is larger than the sum of its proper divisors (12996428671).

442480878089 is an equidigital number, since it uses as much as digits as its factorization.

442480878089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86069179.

The product of its (nonzero) digits is 33030144, while the sum is 62.

The spelling of 442480878089 in words is "four hundred forty-two billion, four hundred eighty million, eight hundred seventy-eight thousand, eighty-nine".