404424004404 has 48 divisors (see below), whose sum is σ = 1135225280000. Its totient is φ = 109468151136.

The previous prime is 404424004381. The next prime is 404424004409. The reversal of 404424004404 is 404400424404.

It is a super-2 number, since 2×404424004404² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404424004409) 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, 126697654 + ... + 126700845.

Almost surely, 2^404424004404 is an apocalyptic number.

It is an amenable number.

404424004404 is an abundant number, since it is smaller than the sum of its proper divisors (730801275596).

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

404424004404 is a wasteful number, since it uses less digits than its factorization.

404424004404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253398532 (or 253398530 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 404424004404 its reverse (404400424404), we get a palindrome (808824428808).

The spelling of 404424004404 in words is "four hundred four billion, four hundred twenty-four million, four thousand, four hundred four".