3000000256 has 72 divisors (see below), whose sum is σ = 6709462704. Its totient is φ = 1326735360.

The previous prime is 3000000253. The next prime is 3000000257. The reversal of 3000000256 is 6520000003.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000000253) by changing a digit.

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, 89796 + ... + 118588.

It is an arithmetic number, because the mean of its divisors is an integer number (93186982).

Almost surely, 2^3000000256 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 3000000256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3354731352).

3000000256 is an abundant number, since it is smaller than the sum of its proper divisors (3709462448).

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

3000000256 is a wasteful number, since it uses less digits than its factorization.

3000000256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28857 (or 28843 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 3000000256 is about 54772.2580874661. The cubic root of 3000000256 is about 1442.2496113314.

Adding to 3000000256 its reverse (6520000003), we get a palindrome (9520000259).

The spelling of 3000000256 in words is "three billion, two hundred fifty-six", and thus it is an aban number.