44020479865 has 8 divisors (see below), whose sum is σ = 53061458688. Its totient is φ = 35058462000.

The previous prime is 44020479803. The next prime is 44020479869. The reversal of 44020479865 is 56897402044.

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

It is not a de Polignac number, because 44020479865 - 2²¹ = 44018382713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44020479869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19739011 + ... + 19741240.

It is an arithmetic number, because the mean of its divisors is an integer number (6632682336).

Almost surely, 2^44020479865 is an apocalyptic number.

It is an amenable number.

44020479865 is a deficient number, since it is larger than the sum of its proper divisors (9040978823).

44020479865 is a wasteful number, since it uses less digits than its factorization.

44020479865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39480479.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 44020479865 in words is "forty-four billion, twenty million, four hundred seventy-nine thousand, eight hundred sixty-five".