404553221414552 has 16 divisors (see below), whose sum is σ = 866899760174160. Its totient is φ = 173379952034784.

The previous prime is 404553221414519. The next prime is 404553221414599. The reversal of 404553221414552 is 255414122355404.

It is a junction number, because it is equal to n+sod(n) for n = 404553221414497 and 404553221414506.

It is a congruent number.

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, 3612082334003 + ... + 3612082334114.

It is an arithmetic number, because the mean of its divisors is an integer number (54181235010885).

Almost surely, 2^{404553221414552} is an apocalyptic number.

It is an amenable number.

404553221414552 is an abundant number, since it is smaller than the sum of its proper divisors (462346538759608).

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

404553221414552 is a wasteful number, since it uses less digits than its factorization.

404553221414552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7224164668130 (or 7224164668126 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 47.

Adding to 404553221414552 its reverse (255414122355404), we get a palindrome (659967343769956).

The spelling of 404553221414552 in words is "four hundred four trillion, five hundred fifty-three billion, two hundred twenty-one million, four hundred fourteen thousand, five hundred fifty-two".