4405644005 has 16 divisors (see below), whose sum is σ = 6045957120. Its totient is φ = 3019047552.

The previous prime is 4405643989. The next prime is 4405644031. The reversal of 4405644005 is 5004465044.

It is a cyclic number.

It is not a de Polignac number, because 4405644005 - 2⁴ = 4405643989 is a prime.

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, 14681 + ... + 95009.

It is an arithmetic number, because the mean of its divisors is an integer number (377872320).

Almost surely, 2^4405644005 is an apocalyptic number.

It is an amenable number.

4405644005 is a deficient number, since it is larger than the sum of its proper divisors (1640313115).

4405644005 is a wasteful number, since it uses less digits than its factorization.

4405644005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81908.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 4405644005 is about 66375.0254613887. The cubic root of 4405644005 is about 1639.3428862824.

The spelling of 4405644005 in words is "four billion, four hundred five million, six hundred forty-four thousand, five".