2000040444 has 48 divisors (see below), whose sum is σ = 5295628800. Its totient is φ = 652493808.

The previous prime is 2000040431. The next prime is 2000040457. The reversal of 2000040444 is 4440400002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2000040431) and next prime (2000040457).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191934 + ... + 202085.

It is an arithmetic number, because the mean of its divisors is an integer number (110325600).

Almost surely, 2^2000040444 is an apocalyptic number.

It is an amenable number.

2000040444 is an abundant number, since it is smaller than the sum of its proper divisors (3295588356).

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

2000040444 is a wasteful number, since it uses less digits than its factorization.

2000040444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394079 (or 394071 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2000040444 is about 44721.8117253762. The cubic root of 2000040444 is about 1259.9295425455.

Adding to 2000040444 its reverse (4440400002), we get a palindrome (6440440446).

The spelling of 2000040444 in words is "two billion, forty thousand, four hundred forty-four".