442455242 has 8 divisors (see below), whose sum is σ = 698613600. Its totient is φ = 209584044.

The previous prime is 442455241. The next prime is 442455253. The reversal of 442455242 is 242554244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 442455199 and 442455208.

It is not an unprimeable number, because it can be changed into a prime (442455241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5821742 + ... + 5821817.

It is an arithmetic number, because the mean of its divisors is an integer number (87326700).

Almost surely, 2^442455242 is an apocalyptic number.

442455242 is a deficient number, since it is larger than the sum of its proper divisors (256158358).

442455242 is a wasteful number, since it uses less digits than its factorization.

442455242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11643580.

The product of its digits is 51200, while the sum is 32.

The square root of 442455242 is about 21034.6200821408. The cubic root of 442455242 is about 762.0025913667.

The spelling of 442455242 in words is "four hundred forty-two million, four hundred fifty-five thousand, two hundred forty-two".