550664342316340 has 48 divisors (see below), whose sum is σ = 1321688751755904. Its totient is φ = 188785727337600.

The previous prime is 550664342316329. The next prime is 550664342316373. The reversal of 550664342316340 is 43613243466055.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138403771 + ... + 142326850.

It is an arithmetic number, because the mean of its divisors is an integer number (27535182328248).

Almost surely, 2^{550664342316340} is an apocalyptic number.

It is an amenable number.

550664342316340 is an abundant number, since it is smaller than the sum of its proper divisors (771024409439564).

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

550664342316340 is a wasteful number, since it uses less digits than its factorization.

550664342316340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280744648 (or 280744646 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 52.

The spelling of 550664342316340 in words is "five hundred fifty trillion, six hundred sixty-four billion, three hundred forty-two million, three hundred sixteen thousand, three hundred forty".