256930344 has 96 divisors (see below), whose sum is σ = 762091200. Its totient is φ = 77552640.

The previous prime is 256930339. The next prime is 256930351. The reversal of 256930344 is 443039652.

256930344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 256930299 and 256930308.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279117 + ... + 280035.

It is an arithmetic number, because the mean of its divisors is an integer number (7938450).

Almost surely, 2^256930344 is an apocalyptic number.

256930344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256930344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381045600).

256930344 is an abundant number, since it is smaller than the sum of its proper divisors (505160856).

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

256930344 is a wasteful number, since it uses less digits than its factorization.

256930344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 256930344 is about 16029.0468837046. The cubic root of 256930344 is about 635.7286726823.

Adding to 256930344 its reverse (443039652), we get a palindrome (699969996).

The spelling of 256930344 in words is "two hundred fifty-six million, nine hundred thirty thousand, three hundred forty-four".