218029468 has 6 divisors (see below), whose sum is σ = 381551576. Its totient is φ = 109014732.

The previous prime is 218029451. The next prime is 218029499. The reversal of 218029468 is 864920812.

It is a self number, because there is not a number n which added to its sum of digits gives 218029468.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27253680 + ... + 27253687.

Almost surely, 2^218029468 is an apocalyptic number.

It is an amenable number.

218029468 is a deficient number, since it is larger than the sum of its proper divisors (163522108).

218029468 is a wasteful number, since it uses less digits than its factorization.

218029468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54507371 (or 54507369 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 218029468 is about 14765.8209389116. The cubic root of 218029468 is about 601.8732823060.

The spelling of 218029468 in words is "two hundred eighteen million, twenty-nine thousand, four hundred sixty-eight".