440842005 has 12 divisors (see below), whose sum is σ = 764126220. Its totient is φ = 235115712.

The previous prime is 440841997. The next prime is 440842043. The reversal of 440842005 is 500248044.

It can be written as a sum of positive squares in 2 ways, for example, as 284866884 + 155975121 = 16878^2 + 12489^2 .

It is not a de Polignac number, because 440842005 - 2³ = 440841997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440842005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4898200 + ... + 4898289.

It is an arithmetic number, because the mean of its divisors is an integer number (63677185).

Almost surely, 2^440842005 is an apocalyptic number.

440842005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

440842005 is a deficient number, since it is larger than the sum of its proper divisors (323284215).

440842005 is a wasteful number, since it uses less digits than its factorization.

440842005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9796500 (or 9796497 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 440842005 is about 20996.2378772960. The cubic root of 440842005 is about 761.0753504233.

The spelling of 440842005 in words is "four hundred forty million, eight hundred forty-two thousand, five".