440090005 has 16 divisors (see below), whose sum is σ = 538959744. Its totient is φ = 344859840.

The previous prime is 440089963. The next prime is 440090011. The reversal of 440090005 is 500090044.

It is not a de Polignac number, because 440090005 - 2¹³ = 440081813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239440 + ... + 241270.

It is an arithmetic number, because the mean of its divisors is an integer number (33684984).

Almost surely, 2^440090005 is an apocalyptic number.

It is an amenable number.

440090005 is a deficient number, since it is larger than the sum of its proper divisors (98869739).

440090005 is a wasteful number, since it uses less digits than its factorization.

440090005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 440090005 is about 20978.3222637083. The cubic root of 440090005 is about 760.6423499402.

The spelling of 440090005 in words is "four hundred forty million, ninety thousand, five".