44332220513 has 4 divisors (see below), whose sum is σ = 50665394880. Its totient is φ = 37999046148.

The previous prime is 44332220501. The next prime is 44332220521. The reversal of 44332220513 is 31502223344.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44332220513 - 2²⁸ = 44063785057 is a prime.

It is a super-2 number, since 2×44332220513² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44332220533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3166587173 + ... + 3166587186.

It is an arithmetic number, because the mean of its divisors is an integer number (12666348720).

Almost surely, 2^44332220513 is an apocalyptic number.

It is an amenable number.

44332220513 is a deficient number, since it is larger than the sum of its proper divisors (6333174367).

44332220513 is an equidigital number, since it uses as much as digits as its factorization.

44332220513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6333174366.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 44332220513 its reverse (31502223344), we get a palindrome (75834443857).

The spelling of 44332220513 in words is "forty-four billion, three hundred thirty-two million, two hundred twenty thousand, five hundred thirteen".