442426133253 has 8 divisors (see below), whose sum is σ = 635278550368. Its totient is φ = 272262235824.

The previous prime is 442426133243. The next prime is 442426133267. The reversal of 442426133253 is 352331624244.

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

It is not a de Polignac number, because 442426133253 - 2¹⁰ = 442426132229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 11344259827 = 442426133253 / (4 + 4 + 2 + 4 + 2 + 6 + 1 + 3 + 3 + 2 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442426133243) 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, 5672129875 + ... + 5672129952.

It is an arithmetic number, because the mean of its divisors is an integer number (79409818796).

Almost surely, 2^442426133253 is an apocalyptic number.

It is an amenable number.

442426133253 is a deficient number, since it is larger than the sum of its proper divisors (192852417115).

442426133253 is a wasteful number, since it uses less digits than its factorization.

442426133253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11344259843.

The product of its digits is 414720, while the sum is 39.

Adding to 442426133253 its reverse (352331624244), we get a palindrome (794757757497).

The spelling of 442426133253 in words is "four hundred forty-two billion, four hundred twenty-six million, one hundred thirty-three thousand, two hundred fifty-three".