2000040005 has 4 divisors (see below), whose sum is σ = 2400048012. Its totient is φ = 1600032000.

The previous prime is 2000039969. The next prime is 2000040043. The reversal of 2000040005 is 5000400002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 869601121 + 1130438884 = 29489^2 + 33622^2 .

It is not a de Polignac number, because 2000040005 - 2¹⁰ = 2000038981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200003996 + ... + 200004005.

It is an arithmetic number, because the mean of its divisors is an integer number (600012003).

Almost surely, 2^2000040005 is an apocalyptic number.

It is an amenable number.

2000040005 is a deficient number, since it is larger than the sum of its proper divisors (400008007).

2000040005 is an equidigital number, since it uses as much as digits as its factorization.

2000040005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400008006.

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 2000040005 is about 44721.8068172564. The cubic root of 2000040005 is about 1259.9294503625.

Adding to 2000040005 its reverse (5000400002), we get a palindrome (7000440007).

The spelling of 2000040005 in words is "two billion, forty thousand, five".