550818534420000 has 13440 divisors, whose sum is σ = 2973756893184000. Its totient is φ = 98761420800000.

The previous prime is 550818534419999. The next prime is 550818534420029. The reversal of 550818534420000 is 24435818055.

550818534420000 is a `hidden beast` number, since 5 + 50 + 81 + 85 + 3 + 442 + 0 + 0 + 0 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 2239 ways as a sum of consecutive naturals, for example, 17768339819985 + ... + 17768339820015.

It is an arithmetic number, because the mean of its divisors is an integer number (221261673600).

Almost surely, 2^{550818534420000} is an apocalyptic number.

550818534420000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550818534420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486878446592000).

550818534420000 is an abundant number, since it is smaller than the sum of its proper divisors (2422938358764000).

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

550818534420000 is a wasteful number, since it uses less digits than its factorization.

550818534420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The spelling of 550818534420000 in words is "five hundred fifty trillion, eight hundred eighteen billion, five hundred thirty-four million, four hundred twenty thousand".