42244044443321 has 4 divisors (see below), whose sum is σ = 48278907935232. Its totient is φ = 36209180951412.

The previous prime is 42244044443317. The next prime is 42244044443353. The reversal of 42244044443321 is 12334444044224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42244044443321 - 2² = 42244044443317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42244044443921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3017431745945 + ... + 3017431745958.

It is an arithmetic number, because the mean of its divisors is an integer number (12069726983808).

Almost surely, 2^{42244044443321} is an apocalyptic number.

It is an amenable number.

42244044443321 is a deficient number, since it is larger than the sum of its proper divisors (6034863491911).

42244044443321 is an equidigital number, since it uses as much as digits as its factorization.

42244044443321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6034863491910.

The product of its (nonzero) digits is 1179648, while the sum is 41.

Adding to 42244044443321 its reverse (12334444044224), we get a palindrome (54578488487545).

The spelling of 42244044443321 in words is "forty-two trillion, two hundred forty-four billion, forty-four million, four hundred forty-three thousand, three hundred twenty-one".