550260349920 has 384 divisors, whose sum is σ = 2013679180800. Its totient is φ = 140074665984.

The previous prime is 550260349871. The next prime is 550260349963. The reversal of 550260349920 is 29943062055.

550260349920 is a `hidden beast` number, since 5 + 502 + 6 + 0 + 34 + 99 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51959986 + ... + 51970574.

It is an arithmetic number, because the mean of its divisors is an integer number (5243956200).

Almost surely, 2^550260349920 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 550260349920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006839590400).

550260349920 is an abundant number, since it is smaller than the sum of its proper divisors (1463418830880).

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

550260349920 is a wasteful number, since it uses less digits than its factorization.

550260349920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11159 (or 11145 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 550260349920 in words is "five hundred fifty billion, two hundred sixty million, three hundred forty-nine thousand, nine hundred twenty".