404240200444 has 24 divisors (see below), whose sum is σ = 724798515168. Its totient is φ = 197156597760.

The previous prime is 404240200381. The next prime is 404240200471. The reversal of 404240200444 is 444002042404.

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, 764092 + ... + 1179964.

It is an arithmetic number, because the mean of its divisors is an integer number (30199938132).

Almost surely, 2^404240200444 is an apocalyptic number.

It is an amenable number.

404240200444 is a deficient number, since it is larger than the sum of its proper divisors (320558314724).

404240200444 is a wasteful number, since it uses less digits than its factorization.

404240200444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421845 (or 421843 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 404240200444 its reverse (444002042404), we get a palindrome (848242242848).

The spelling of 404240200444 in words is "four hundred four billion, two hundred forty million, two hundred thousand, four hundred forty-four".