44131334021 has 16 divisors (see below), whose sum is σ = 44676848640. Its totient is φ = 43590389760.

The previous prime is 44131334017. The next prime is 44131334033. The reversal of 44131334021 is 12043313144.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 44131334021 - 2² = 44131334017 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 (44131334081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15947780 + ... + 15950546.

It is an arithmetic number, because the mean of its divisors is an integer number (2792303040).

Almost surely, 2^44131334021 is an apocalyptic number.

It is an amenable number.

44131334021 is a deficient number, since it is larger than the sum of its proper divisors (545514619).

44131334021 is a wasteful number, since it uses less digits than its factorization.

44131334021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 44131334021 its reverse (12043313144), we get a palindrome (56174647165).

The spelling of 44131334021 in words is "forty-four billion, one hundred thirty-one million, three hundred thirty-four thousand, twenty-one".