42444110105 has 4 divisors (see below), whose sum is σ = 50932932132. Its totient is φ = 33955288080.

The previous prime is 42444110083. The next prime is 42444110119. The reversal of 42444110105 is 50101144424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9591460096 + 32852650009 = 97936^2 + 181253^2 .

It is not a de Polignac number, because 42444110105 - 2¹⁶ = 42444044569 is a prime.

It is a super-2 number, since 2×42444110105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4244411006 + ... + 4244411015.

It is an arithmetic number, because the mean of its divisors is an integer number (12733233033).

Almost surely, 2^42444110105 is an apocalyptic number.

It is an amenable number.

42444110105 is a deficient number, since it is larger than the sum of its proper divisors (8488822027).

42444110105 is an equidigital number, since it uses as much as digits as its factorization.

42444110105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8488822026.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 42444110105 its reverse (50101144424), we get a palindrome (92545254529).

The spelling of 42444110105 in words is "forty-two billion, four hundred forty-four million, one hundred ten thousand, one hundred five".