442280585 has 16 divisors (see below), whose sum is σ = 575030016. Its totient is φ = 325264128.

The previous prime is 442280569. The next prime is 442280611. The reversal of 442280585 is 585082244.

It is not a de Polignac number, because 442280585 - 2⁴ = 442280569 is a prime.

It is a super-2 number, since 2×442280585² = 391224231735884450, which contains 22 as substring.

It is a Duffinian number.

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, 56849 + ... + 64158.

It is an arithmetic number, because the mean of its divisors is an integer number (35939376).

Almost surely, 2^442280585 is an apocalyptic number.

It is an amenable number.

442280585 is a deficient number, since it is larger than the sum of its proper divisors (132749431).

442280585 is a wasteful number, since it uses less digits than its factorization.

442280585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121072.

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 442280585 is about 21030.4680166657. The cubic root of 442280585 is about 761.9023125966.

The spelling of 442280585 in words is "four hundred forty-two million, two hundred eighty thousand, five hundred eighty-five".