256310230 has 32 divisors (see below), whose sum is σ = 507941280. Its totient is φ = 92344320.

The previous prime is 256310191. The next prime is 256310237. The reversal of 256310230 is 32013652.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256310237) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1302 + ... + 22678.

It is an arithmetic number, because the mean of its divisors is an integer number (15873165).

Almost surely, 2^256310230 is an apocalyptic number.

256310230 is a deficient number, since it is larger than the sum of its proper divisors (251631050).

256310230 is a wasteful number, since it uses less digits than its factorization.

256310230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21504.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 256310230 is about 16009.6917521856. The cubic root of 256310230 is about 635.2168065349.

Adding to 256310230 its reverse (32013652), we get a palindrome (288323882).

The spelling of 256310230 in words is "two hundred fifty-six million, three hundred ten thousand, two hundred thirty".