442421233413 has 8 divisors (see below), whose sum is σ = 590036898528. Its totient is φ = 294876528624.

The previous prime is 442421233183. The next prime is 442421233417. The reversal of 442421233413 is 314332124244.

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

It is not a de Polignac number, because 442421233413 - 2⁹ = 442421232901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442421233417) 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, 17725531 + ... + 17750472.

It is an arithmetic number, because the mean of its divisors is an integer number (73754612316).

Almost surely, 2^442421233413 is an apocalyptic number.

It is an amenable number.

442421233413 is a deficient number, since it is larger than the sum of its proper divisors (147615665115).

442421233413 is a wasteful number, since it uses less digits than its factorization.

442421233413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35480163.

The product of its digits is 55296, while the sum is 33.

Adding to 442421233413 its reverse (314332124244), we get a palindrome (756753357657).

The spelling of 442421233413 in words is "four hundred forty-two billion, four hundred twenty-one million, two hundred thirty-three thousand, four hundred thirteen".