218254848 has 160 divisors (see below), whose sum is σ = 678813696. Its totient is φ = 61022208.

The previous prime is 218254847. The next prime is 218254871. The reversal of 218254848 is 848452812.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218254847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569665 + ... + 570047.

Almost surely, 2^218254848 is an apocalyptic number.

218254848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 218254848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339406848).

218254848 is an abundant number, since it is smaller than the sum of its proper divisors (460558848).

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

218254848 is an equidigital number, since it uses as much as digits as its factorization.

218254848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 448 counting only the distinct ones).

The product of its digits is 163840, while the sum is 42.

The square root of 218254848 is about 14773.4507817233. The cubic root of 218254848 is about 602.0805990619.

The spelling of 218254848 in words is "two hundred eighteen million, two hundred fifty-four thousand, eight hundred forty-eight".