442420114421 has 16 divisors (see below), whose sum is σ = 476172545328. Its totient is φ = 409527705600.

The previous prime is 442420114417. The next prime is 442420114447. The reversal of 442420114421 is 124411024244.

It can be written as a sum of positive squares in 8 ways, for example, as 745563025 + 441674551396 = 27305^2 + 664586^2 .

It is a cyclic number.

It is not a de Polignac number, because 442420114421 - 2² = 442420114417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442420114471) 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, 15741101 + ... + 15769181.

It is an arithmetic number, because the mean of its divisors is an integer number (29760784083).

Almost surely, 2^442420114421 is an apocalyptic number.

It is an amenable number.

442420114421 is a deficient number, since it is larger than the sum of its proper divisors (33752430907).

442420114421 is a wasteful number, since it uses less digits than its factorization.

442420114421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43352.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 442420114421 its reverse (124411024244), we get a palindrome (566831138665).

The spelling of 442420114421 in words is "four hundred forty-two billion, four hundred twenty million, one hundred fourteen thousand, four hundred twenty-one".