4020404404 has 12 divisors (see below), whose sum is σ = 7207310628. Its totient is φ = 1961172800.

The previous prime is 4020404383. The next prime is 4020404413. The reversal of 4020404404 is 4044040204.

It can be written as a sum of positive squares in 2 ways, for example, as 539168400 + 3481236004 = 23220^2 + 59002^2 .

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, 12257167 + ... + 12257494.

It is an arithmetic number, because the mean of its divisors is an integer number (600609219).

Almost surely, 2^4020404404 is an apocalyptic number.

It is an amenable number.

4020404404 is a deficient number, since it is larger than the sum of its proper divisors (3186906224).

4020404404 is a wasteful number, since it uses less digits than its factorization.

4020404404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24514706 (or 24514704 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 4020404404 is about 63406.6589878382. The cubic root of 4020404404 is about 1590.0956397252.

Adding to 4020404404 its reverse (4044040204), we get a palindrome (8064444608).

The spelling of 4020404404 in words is "four billion, twenty million, four hundred four thousand, four hundred four".