256304244 has 24 divisors (see below), whose sum is σ = 683478208. Its totient is φ = 73229760.

The previous prime is 256304231. The next prime is 256304261. The reversal of 256304244 is 442403652.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1525537 + ... + 1525704.

Almost surely, 2^256304244 is an apocalyptic number.

It is an amenable number.

256304244 is an abundant number, since it is smaller than the sum of its proper divisors (427173964).

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

256304244 is a wasteful number, since it uses less digits than its factorization.

256304244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051255 (or 3051253 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 256304244 is about 16009.5048018357. The cubic root of 256304244 is about 635.2118614372.

Adding to 256304244 its reverse (442403652), we get a palindrome (698707896).

The spelling of 256304244 in words is "two hundred fifty-six million, three hundred four thousand, two hundred forty-four".