200455240022550 has 288 divisors, whose sum is σ = 558398002874400. Its totient is φ = 51493839022080.

The previous prime is 200455240022549. The next prime is 200455240022627. The reversal of 200455240022550 is 55220042554002.

200455240022550 is a `hidden beast` number, since 2 + 0 + 0 + 45 + 5 + 2 + 40 + 0 + 22 + 550 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 20394261036 + ... + 20394270864.

It is an arithmetic number, because the mean of its divisors is an integer number (1938881954425).

Almost surely, 2^{200455240022550} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200455240022550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279199001437200).

200455240022550 is an abundant number, since it is smaller than the sum of its proper divisors (357942762851850).

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

200455240022550 is a wasteful number, since it uses less digits than its factorization.

200455240022550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13280 (or 13272 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

Adding to 200455240022550 its reverse (55220042554002), we get a palindrome (255675282576552).

The spelling of 200455240022550 in words is "two hundred trillion, four hundred fifty-five billion, two hundred forty million, twenty-two thousand, five hundred fifty".