442423413431 has 8 divisors (see below), whose sum is σ = 444899027664. Its totient is φ = 439948143360.

The previous prime is 442423413427. The next prime is 442423413449. The reversal of 442423413431 is 134314324244.

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 442423413431 - 2² = 442423413427 is a prime.

It is a super-2 number, since 2×442423413431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442423413391 and 442423413400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442423413451) 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, 2753255 + ... + 2909511.

It is an arithmetic number, because the mean of its divisors is an integer number (55612378458).

Almost surely, 2^442423413431 is an apocalyptic number.

442423413431 is a deficient number, since it is larger than the sum of its proper divisors (2475614233).

442423413431 is a wasteful number, since it uses less digits than its factorization.

442423413431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172081.

The product of its digits is 110592, while the sum is 35.

Adding to 442423413431 its reverse (134314324244), we get a palindrome (576737737675).

The spelling of 442423413431 in words is "four hundred forty-two billion, four hundred twenty-three million, four hundred thirteen thousand, four hundred thirty-one".