442688275 has 12 divisors (see below), whose sum is σ = 562323384. Its totient is φ = 345512000.

The previous prime is 442688273. The next prime is 442688293. The reversal of 442688275 is 572886244.

It is not a de Polignac number, because 442688275 - 2¹ = 442688273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442688273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214921 + ... + 216970.

It is an arithmetic number, because the mean of its divisors is an integer number (46860282).

Almost surely, 2^442688275 is an apocalyptic number.

442688275 is a deficient number, since it is larger than the sum of its proper divisors (119635109).

442688275 is a wasteful number, since it uses less digits than its factorization.

442688275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431942 (or 431937 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The square root of 442688275 is about 21040.1586258279. The cubic root of 442688275 is about 762.1363454489.

The spelling of 442688275 in words is "four hundred forty-two million, six hundred eighty-eight thousand, two hundred seventy-five".