404202442404 has 12 divisors (see below), whose sum is σ = 943139032304. Its totient is φ = 134734147464.

The previous prime is 404202442387. The next prime is 404202442429. The reversal of 404202442404 is 404244202404.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×404202442404² (a number of 24 digits) contains 22 as substring.

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, 16841768422 + ... + 16841768445.

Almost surely, 2^404202442404 is an apocalyptic number.

It is an amenable number.

404202442404 is an abundant number, since it is smaller than the sum of its proper divisors (538936589900).

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

404202442404 is a wasteful number, since it uses less digits than its factorization.

404202442404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33683536874 (or 33683536872 counting only the distinct ones).

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

Adding to 404202442404 its reverse (404244202404), we get a palindrome (808446644808).

The spelling of 404202442404 in words is "four hundred four billion, two hundred two million, four hundred forty-two thousand, four hundred four".