550205426256 has 40 divisors (see below), whose sum is σ = 1421529165120. Its totient is φ = 183380499456.

The previous prime is 550205426153. The next prime is 550205426317. The reversal of 550205426256 is 652624502055.

It is a super-2 number, since 2×550205426256² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 245761 + ... + 1077408.

It is an arithmetic number, because the mean of its divisors is an integer number (35538229128).

Almost surely, 2^550205426256 is an apocalyptic number.

It is an amenable number.

550205426256 is an abundant number, since it is smaller than the sum of its proper divisors (871323738864).

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

550205426256 is a wasteful number, since it uses less digits than its factorization.

550205426256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331843 (or 1331837 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 550205426256 in words is "five hundred fifty billion, two hundred five million, four hundred twenty-six thousand, two hundred fifty-six".