44020420057 has 16 divisors (see below), whose sum is σ = 45527758848. Its totient is φ = 42535921680.

The previous prime is 44020420027. The next prime is 44020420097. The reversal of 44020420057 is 75002402044.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 44020420057 - 2¹¹ = 44020418009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44020420027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4880682 + ... + 4889692.

It is an arithmetic number, because the mean of its divisors is an integer number (2845484928).

Almost surely, 2^44020420057 is an apocalyptic number.

It is an amenable number.

44020420057 is a deficient number, since it is larger than the sum of its proper divisors (1507338791).

44020420057 is a wasteful number, since it uses less digits than its factorization.

44020420057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10260.

The product of its (nonzero) digits is 8960, while the sum is 28.

The spelling of 44020420057 in words is "forty-four billion, twenty million, four hundred twenty thousand, fifty-seven".