439981105 has 16 divisors (see below), whose sum is σ = 539697600. Its totient is φ = 344237760.

The previous prime is 439981103. The next prime is 439981169. The reversal of 439981105 is 501189934.

It is not a de Polignac number, because 439981105 - 2¹ = 439981103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (439981103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50566 + ... + 58624.

It is an arithmetic number, because the mean of its divisors is an integer number (33731100).

Almost surely, 2^439981105 is an apocalyptic number.

It is an amenable number.

439981105 is a deficient number, since it is larger than the sum of its proper divisors (99716495).

439981105 is a wasteful number, since it uses less digits than its factorization.

439981105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8304.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 439981105 is about 20975.7265666770. The cubic root of 439981105 is about 760.5796046045.

The spelling of 439981105 in words is "four hundred thirty-nine million, nine hundred eighty-one thousand, one hundred five".