551224404204 has 72 divisors (see below), whose sum is σ = 1336818367248. Its totient is φ = 176773309440.

The previous prime is 551224404173. The next prime is 551224404251. The reversal of 551224404204 is 402404422155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2738664 + ... + 2933040.

Almost surely, 2^551224404204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551224404204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668409183624).

551224404204 is an abundant number, since it is smaller than the sum of its proper divisors (785593963044).

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

551224404204 is a wasteful number, since it uses less digits than its factorization.

551224404204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194723 (or 194692 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 551224404204 its reverse (402404422155), we get a palindrome (953628826359).

The spelling of 551224404204 in words is "five hundred fifty-one billion, two hundred twenty-four million, four hundred four thousand, two hundred four".