44020005 has 16 divisors (see below), whose sum is σ = 71484864. Its totient is φ = 23126400.

The previous prime is 44019947. The next prime is 44020069. The reversal of 44020005 is 50002044.

It is not a de Polignac number, because 44020005 - 2¹⁰ = 44018981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20896 + ... + 22905.

It is an arithmetic number, because the mean of its divisors is an integer number (4467804).

Almost surely, 2^44020005 is an apocalyptic number.

It is an amenable number.

44020005 is a deficient number, since it is larger than the sum of its proper divisors (27464859).

44020005 is a wasteful number, since it uses less digits than its factorization.

44020005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43876.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 44020005 is about 6634.7573429629. The cubic root of 44020005 is about 353.0883289249.

Adding to 44020005 its reverse (50002044), we get a palindrome (94022049).

The spelling of 44020005 in words is "forty-four million, twenty thousand, five".