800440404 has 24 divisors (see below), whose sum is σ = 1868217120. Its totient is φ = 266738784.

The previous prime is 800440391. The next prime is 800440441. The reversal of 800440404 is 404044008.

800440404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×800440404³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50827 + ... + 64685.

It is an arithmetic number, because the mean of its divisors is an integer number (77842380).

Almost surely, 2^800440404 is an apocalyptic number.

It is an amenable number.

800440404 is an abundant number, since it is smaller than the sum of its proper divisors (1067776716).

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

800440404 is a wasteful number, since it uses less digits than its factorization.

800440404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18679 (or 18677 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 800440404 is about 28292.0554926644. The cubic root of 800440404 is about 928.4880833304.

The spelling of 800440404 in words is "eight hundred million, four hundred forty thousand, four hundred four".