550366406404 has 12 divisors (see below), whose sum is σ = 965543062428. Its totient is φ = 274496960000.

The previous prime is 550366406383. The next prime is 550366406419. The reversal of 550366406404 is 404604663055.

It can be written as a sum of positive squares in 2 ways, for example, as 539695929600 + 10670476804 = 734640^2 + 103298^2 .

It is a super-2 number, since 2×550366406404² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171558997 + ... + 171562204.

It is an arithmetic number, because the mean of its divisors is an integer number (80461921869).

Almost surely, 2^550366406404 is an apocalyptic number.

It is an amenable number.

550366406404 is a deficient number, since it is larger than the sum of its proper divisors (415176656024).

550366406404 is a wasteful number, since it uses less digits than its factorization.

550366406404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343121606 (or 343121604 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 550366406404 in words is "five hundred fifty billion, three hundred sixty-six million, four hundred six thousand, four hundred four".