2004440140 has 24 divisors (see below), whose sum is σ = 4262610240. Its totient is φ = 791626368.

The previous prime is 2004440117. The next prime is 2004440143. The reversal of 2004440140 is 410444002.

It is not an unprimeable number, because it can be changed into a prime (2004440143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 632737 + ... + 635896.

It is an arithmetic number, because the mean of its divisors is an integer number (177608760).

Almost surely, 2^2004440140 is an apocalyptic number.

2004440140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2004440140 is an abundant number, since it is smaller than the sum of its proper divisors (2258170100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2004440140 is a wasteful number, since it uses less digits than its factorization.

2004440140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268721 (or 1268719 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2004440140 is about 44770.9743025546. The cubic root of 2004440140 is about 1260.8527317434.

Adding to 2004440140 its reverse (410444002), we get a palindrome (2414884142).

The spelling of 2004440140 in words is "two billion, four million, four hundred forty thousand, one hundred forty".