44027217509 has 16 divisors (see below), whose sum is σ = 48368507136. Its totient is φ = 39742747200.

The previous prime is 44027217467. The next prime is 44027217517. The reversal of 44027217509 is 90571272044.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44027217509 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 (44027217569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2791604 + ... + 2807330.

It is an arithmetic number, because the mean of its divisors is an integer number (3023031696).

Almost surely, 2^44027217509 is an apocalyptic number.

It is an amenable number.

44027217509 is a deficient number, since it is larger than the sum of its proper divisors (4341289627).

44027217509 is a wasteful number, since it uses less digits than its factorization.

44027217509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17516.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 44027217509 in words is "forty-four billion, twenty-seven million, two hundred seventeen thousand, five hundred nine".