440064404 has 12 divisors (see below), whose sum is σ = 829352244. Its totient is φ = 203106624.

The previous prime is 440064389. The next prime is 440064433. The reversal of 440064404 is 404460044.

It can be written as a sum of positive squares in 2 ways, for example, as 29920900 + 410143504 = 5470^2 + 20252^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 4231337 + ... + 4231440.

It is an arithmetic number, because the mean of its divisors is an integer number (69112687).

Almost surely, 2^440064404 is an apocalyptic number.

It is an amenable number.

440064404 is a deficient number, since it is larger than the sum of its proper divisors (389287840).

440064404 is a wasteful number, since it uses less digits than its factorization.

440064404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8462794 (or 8462792 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 440064404 is about 20977.7120773453. The cubic root of 440064404 is about 760.6276002434.

The spelling of 440064404 in words is "four hundred forty million, sixty-four thousand, four hundred four".