50218385020218 has 80 divisors (see below), whose sum is σ = 116161220609280. Its totient is φ = 16198787851200.

The previous prime is 50218385020213. The next prime is 50218385020259. The reversal of 50218385020218 is 81202058381205.

50218385020218 is a `hidden beast` number, since 50 + 2 + 1 + 8 + 385 + 0 + 2 + 0 + 218 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50218385020213) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 124791673 + ... + 125193443.

It is an arithmetic number, because the mean of its divisors is an integer number (1452015257616).

Almost surely, 2^{50218385020218} is an apocalyptic number.

50218385020218 is an abundant number, since it is smaller than the sum of its proper divisors (65942835589062).

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

50218385020218 is a wasteful number, since it uses less digits than its factorization.

50218385020218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426705 (or 426696 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 50218385020218 in words is "fifty trillion, two hundred eighteen billion, three hundred eighty-five million, twenty thousand, two hundred eighteen".