442444120411 has 4 divisors (see below), whose sum is σ = 456716511424. Its totient is φ = 428171729400.

The previous prime is 442444120409. The next prime is 442444120453. The reversal of 442444120411 is 114021444244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442444120411 - 2¹ = 442444120409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 14272390981 = 442444120411 / (4 + 4 + 2 + 4 + 4 + 4 + 1 + 2 + 0 + 4 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442444180411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7136195460 + ... + 7136195521.

It is an arithmetic number, because the mean of its divisors is an integer number (114179127856).

Almost surely, 2^442444120411 is an apocalyptic number.

442444120411 is a deficient number, since it is larger than the sum of its proper divisors (14272391013).

442444120411 is a wasteful number, since it uses less digits than its factorization.

442444120411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14272391012.

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 442444120411 its reverse (114021444244), we get a palindrome (556465564655).

The spelling of 442444120411 in words is "four hundred forty-two billion, four hundred forty-four million, one hundred twenty thousand, four hundred eleven".