44440311121 has 16 divisors (see below), whose sum is σ = 45022665600. Its totient is φ = 43862421888.

The previous prime is 44440311077. The next prime is 44440311163. The reversal of 44440311121 is 12111304444.

It is a cyclic number.

It is not a de Polignac number, because 44440311121 - 2⁹ = 44440310609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44440315121) 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 15 ways as a sum of consecutive naturals, for example, 26626075 + ... + 26627743.

It is an arithmetic number, because the mean of its divisors is an integer number (2813916600).

Almost surely, 2^44440311121 is an apocalyptic number.

It is an amenable number.

44440311121 is a deficient number, since it is larger than the sum of its proper divisors (582354479).

44440311121 is a wasteful number, since it uses less digits than its factorization.

44440311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 44440311121 its reverse (12111304444), we get a palindrome (56551615565).

The spelling of 44440311121 in words is "forty-four billion, four hundred forty million, three hundred eleven thousand, one hundred twenty-one".