44440144013 has 8 divisors (see below), whose sum is σ = 45546066048. Its totient is φ = 43340904864.

The previous prime is 44440144009. The next prime is 44440144033. The reversal of 44440144013 is 31044104444.

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

It is not a de Polignac number, because 44440144013 - 2² = 44440144009 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 (44440144033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1657256 + ... + 1683857.

It is an arithmetic number, because the mean of its divisors is an integer number (5693258256).

Almost surely, 2^44440144013 is an apocalyptic number.

It is an amenable number.

44440144013 is a deficient number, since it is larger than the sum of its proper divisors (1105922035).

44440144013 is a wasteful number, since it uses less digits than its factorization.

44440144013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341443.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 44440144013 its reverse (31044104444), we get a palindrome (75484248457).

The spelling of 44440144013 in words is "forty-four billion, four hundred forty million, one hundred forty-four thousand, thirteen".