218855441224343 has 48 divisors (see below), whose sum is σ = 280365659925120. Its totient is φ = 168920027640000.

The previous prime is 218855441224319. The next prime is 218855441224349. The reversal of 218855441224343 is 343422144558812.

It is not a de Polignac number, because 218855441224343 - 2³⁰ = 218854367482519 is a prime.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218855441224349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190426580 + ... + 191572422.

It is an arithmetic number, because the mean of its divisors is an integer number (5840951248440).

Almost surely, 2^{218855441224343} is an apocalyptic number.

218855441224343 is a deficient number, since it is larger than the sum of its proper divisors (61510218700777).

218855441224343 is a wasteful number, since it uses less digits than its factorization.

218855441224343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149228 (or 1149221 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 56.

The spelling of 218855441224343 in words is "two hundred eighteen trillion, eight hundred fifty-five billion, four hundred forty-one million, two hundred twenty-four thousand, three hundred forty-three".