216014256 has 80 divisors (see below), whose sum is σ = 633292800. Its totient is φ = 70466112.

The previous prime is 216014221. The next prime is 216014297. The reversal of 216014256 is 652410612.

216014256 is a `hidden beast` number, since 2 + 1 + 601 + 4 + 2 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 14985 + ... + 25623.

It is an arithmetic number, because the mean of its divisors is an integer number (7916160).

Almost surely, 2^216014256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216014256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316646400).

216014256 is an abundant number, since it is smaller than the sum of its proper divisors (417278544).

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

216014256 is a wasteful number, since it uses less digits than its factorization.

216014256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10703 (or 10691 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 216014256 is about 14697.4234476659. The cubic root of 216014256 is about 600.0131997096.

Adding to 216014256 its reverse (652410612), we get a palindrome (868424868).

The spelling of 216014256 in words is "two hundred sixteen million, fourteen thousand, two hundred fifty-six".