404044440044 has 48 divisors (see below), whose sum is σ = 816765558336. Its totient is φ = 171312537600.

The previous prime is 404044439987. The next prime is 404044440049. The reversal of 404044440044 is 440044440404.

It is not an unprimeable number, because it can be changed into a prime (404044440049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771584 + ... + 1184664.

It is an arithmetic number, because the mean of its divisors is an integer number (17015949132).

Almost surely, 2^404044440044 is an apocalyptic number.

It is an amenable number.

404044440044 is an abundant number, since it is smaller than the sum of its proper divisors (412721118292).

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

404044440044 is a wasteful number, since it uses less digits than its factorization.

404044440044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413466 (or 413464 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 404044440044 its reverse (440044440404), we get a palindrome (844088880448).

The spelling of 404044440044 in words is "four hundred four billion, forty-four million, four hundred forty thousand, forty-four".