44444005 has 4 divisors (see below), whose sum is σ = 53332812. Its totient is φ = 35555200.

The previous prime is 44443991. The next prime is 44444009. The reversal of 44444005 is 50044444.

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 28579716 + 15864289 = 5346^2 + 3983^2 .

It is not a de Polignac number, because 44444005 - 2²⁵ = 10889573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44444009) 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, 4444396 + ... + 4444405.

It is an arithmetic number, because the mean of its divisors is an integer number (13333203).

Almost surely, 2^44444005 is an apocalyptic number.

It is an amenable number.

44444005 is a deficient number, since it is larger than the sum of its proper divisors (8888807).

44444005 is an equidigital number, since it uses as much as digits as its factorization.

44444005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8888806.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 44444005 is about 6666.6337082519. The cubic root of 44444005 is about 354.2183556085.

Adding to 44444005 its reverse (50044444), we get a palindrome (94488449).

The spelling of 44444005 in words is "forty-four million, four hundred forty-four thousand, five".