2000404404 has 96 divisors (see below), whose sum is σ = 5252567040. Its totient is φ = 658335744.

The previous prime is 2000404321. The next prime is 2000404409. The reversal of 2000404404 is 4044040002.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000404409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5222797 + ... + 5223179.

It is an arithmetic number, because the mean of its divisors is an integer number (54714240).

Almost surely, 2^2000404404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000404404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2626283520).

2000404404 is an abundant number, since it is smaller than the sum of its proper divisors (3252162636).

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

2000404404 is a wasteful number, since it uses less digits than its factorization.

2000404404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 878 counting only the distinct ones).

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

The square root of 2000404404 is about 44725.8806956330. The cubic root of 2000404404 is about 1260.0059636906.

Adding to 2000404404 its reverse (4044040002), we get a palindrome (6044444406).

The spelling of 2000404404 in words is "two billion, four hundred four thousand, four hundred four".