256216204 has 24 divisors (see below), whose sum is σ = 458045280. Its totient is φ = 125359104.

The previous prime is 256216199. The next prime is 256216211. The reversal of 256216204 is 402612652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91692 + ... + 94444.

It is an arithmetic number, because the mean of its divisors is an integer number (19085220).

Almost surely, 2^256216204 is an apocalyptic number.

It is an amenable number.

256216204 is a deficient number, since it is larger than the sum of its proper divisors (201829076).

256216204 is a wasteful number, since it uses less digits than its factorization.

256216204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249 (or 3247 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 256216204 is about 16006.7549490832. The cubic root of 256216204 is about 635.1391217693.

Adding to 256216204 its reverse (402612652), we get a palindrome (658828856).

The spelling of 256216204 in words is "two hundred fifty-six million, two hundred sixteen thousand, two hundred four".