218754882140 has 48 divisors (see below), whose sum is σ = 460683243552. Its totient is φ = 87254931456.

The previous prime is 218754882109. The next prime is 218754882161. The reversal of 218754882140 is 41288457812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20579507 + ... + 20590133.

It is an arithmetic number, because the mean of its divisors is an integer number (9597567574).

Almost surely, 2^218754882140 is an apocalyptic number.

218754882140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

218754882140 is an abundant number, since it is smaller than the sum of its proper divisors (241928361412).

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

218754882140 is a wasteful number, since it uses less digits than its factorization.

218754882140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13446 (or 13444 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 50.

The spelling of 218754882140 in words is "two hundred eighteen billion, seven hundred fifty-four million, eight hundred eighty-two thousand, one hundred forty".