218288029080550 has 192 divisors, whose sum is σ = 487976721490944. Its totient is φ = 71590305484800.

The previous prime is 218288029080547. The next prime is 218288029080661. The reversal of 218288029080550 is 55080920882812.

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 95 ways as a sum of consecutive naturals, for example, 196708054 + ... + 197814646.

It is an arithmetic number, because the mean of its divisors is an integer number (2541545424432).

Almost surely, 2^{218288029080550} is an apocalyptic number.

218288029080550 is an abundant number, since it is smaller than the sum of its proper divisors (269688692410394).

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

218288029080550 is a wasteful number, since it uses less digits than its factorization.

218288029080550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107263 (or 1107258 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 58.

The spelling of 218288029080550 in words is "two hundred eighteen trillion, two hundred eighty-eight billion, twenty-nine million, eighty thousand, five hundred fifty".