442313042 has 8 divisors (see below), whose sum is σ = 666367500. Its totient is φ = 220190544.

The previous prime is 442313041. The next prime is 442313071. The reversal of 442313042 is 240313244.

It can be written as a sum of positive squares in 2 ways, for example, as 429774361 + 12538681 = 20731^2 + 3541^2 .

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 = 442312999 and 442313017.

It is not an unprimeable number, because it can be changed into a prime (442313041) 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, 482417 + ... + 483332.

Almost surely, 2^442313042 is an apocalyptic number.

442313042 is a deficient number, since it is larger than the sum of its proper divisors (224054458).

442313042 is a wasteful number, since it uses less digits than its factorization.

442313042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965980.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 442313042 is about 21031.2396686453. The cubic root of 442313042 is about 761.9209496785.

Adding to 442313042 its reverse (240313244), we get a palindrome (682626286).

The spelling of 442313042 in words is "four hundred forty-two million, three hundred thirteen thousand, forty-two".