442871465 has 8 divisors (see below), whose sum is σ = 531558720. Its totient is φ = 354221872.

The previous prime is 442871461. The next prime is 442871467. The reversal of 442871465 is 564178244.

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 442871465 - 2² = 442871461 is a prime.

It is a super-4 number, since 4×442871465⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (442871461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41402 + ... + 50988.

It is an arithmetic number, because the mean of its divisors is an integer number (66444840).

Almost surely, 2^442871465 is an apocalyptic number.

It is an amenable number.

442871465 is a deficient number, since it is larger than the sum of its proper divisors (88687255).

442871465 is an equidigital number, since it uses as much as digits as its factorization.

442871465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18831.

The product of its digits is 215040, while the sum is 41.

The square root of 442871465 is about 21044.5115172579. The cubic root of 442871465 is about 762.2414581668.

The spelling of 442871465 in words is "four hundred forty-two million, eight hundred seventy-one thousand, four hundred sixty-five".