2011440404 has 12 divisors (see below), whose sum is σ = 3520722324. Its totient is φ = 1005519744.

The previous prime is 2011440401. The next prime is 2011440421. The reversal of 2011440404 is 4040441102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1564202500 + 447237904 = 39550^2 + 21148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011440401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26279 + ... + 68654.

It is an arithmetic number, because the mean of its divisors is an integer number (293393527).

Almost surely, 2^2011440404 is an apocalyptic number.

It is an amenable number.

2011440404 is a deficient number, since it is larger than the sum of its proper divisors (1509281920).

2011440404 is a wasteful number, since it uses less digits than its factorization.

2011440404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100234 (or 100232 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2011440404 is about 44849.0847621220. The cubic root of 2011440404 is about 1262.3188180869.

Adding to 2011440404 its reverse (4040441102), we get a palindrome (6051881506).

The spelling of 2011440404 in words is "two billion, eleven million, four hundred forty thousand, four hundred four".