442775317 has 8 divisors (see below), whose sum is σ = 444699360. Its totient is φ = 440856240.

The previous prime is 442775293. The next prime is 442775339. The reversal of 442775317 is 713577244.

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 442775317 - 2²³ = 434386709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442775317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442775357) 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, 393718 + ... + 394840.

It is an arithmetic number, because the mean of its divisors is an integer number (55587420).

Almost surely, 2^442775317 is an apocalyptic number.

It is an amenable number.

442775317 is a deficient number, since it is larger than the sum of its proper divisors (1924043).

442775317 is a wasteful number, since it uses less digits than its factorization.

442775317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483.

The product of its digits is 164640, while the sum is 40.

The square root of 442775317 is about 21042.2269971598. The cubic root of 442775317 is about 762.1862929539.

It can be divided in two parts, 44277 and 5317, that added together give a palindrome (49594).

The spelling of 442775317 in words is "four hundred forty-two million, seven hundred seventy-five thousand, three hundred seventeen".