442560313 has 16 divisors (see below), whose sum is σ = 483702912. Its totient is φ = 402480000.

The previous prime is 442560301. The next prime is 442560341. The reversal of 442560313 is 313065244.

It is not a de Polignac number, because 442560313 - 2⁵ = 442560281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442560353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256293 + ... + 258013.

It is an arithmetic number, because the mean of its divisors is an integer number (30231432).

Almost surely, 2^442560313 is an apocalyptic number.

It is an amenable number.

442560313 is a deficient number, since it is larger than the sum of its proper divisors (41142599).

442560313 is a wasteful number, since it uses less digits than its factorization.

442560313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 442560313 is about 21037.1175069210. The cubic root of 442560313 is about 762.0629048401.

The spelling of 442560313 in words is "four hundred forty-two million, five hundred sixty thousand, three hundred thirteen".