404008044044 has 48 divisors (see below), whose sum is σ = 797039502336. Its totient is φ = 177593304000.

The previous prime is 404008044043. The next prime is 404008044133. The reversal of 404008044044 is 440440800404.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 404008044044.

It is not an unprimeable number, because it can be changed into a prime (404008044043) 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, 866012 + ... + 1248195.

It is an arithmetic number, because the mean of its divisors is an integer number (16604989632).

Almost surely, 2^404008044044 is an apocalyptic number.

404008044044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404008044044 is a deficient number, since it is larger than the sum of its proper divisors (393031458292).

404008044044 is a wasteful number, since it uses less digits than its factorization.

404008044044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114366 (or 2114364 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 404008044044 its reverse (440440800404), we get a palindrome (844448844448).

The spelling of 404008044044 in words is "four hundred four billion, eight million, forty-four thousand, forty-four".