9438944256 has 264 divisors, whose sum is σ = 32307882880. Its totient is φ = 2696343552.

The previous prime is 9438944239. The next prime is 9438944261. The reversal of 9438944256 is 6524498349.

9438944256 is a `hidden beast` number, since 9 + 4 + 389 + 4 + 4 + 256 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1739115 + ... + 1744533.

Almost surely, 2^9438944256 is an apocalyptic number.

9438944256 is a gapful number since it is divisible by the number (96) 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 9438944256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16153941440).

9438944256 is an abundant number, since it is smaller than the sum of its proper divisors (22868938624).

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

9438944256 is an equidigital number, since it uses as much as digits as its factorization.

9438944256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461 (or 5431 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The square root of 9438944256 is about 97154.2292234363. The cubic root of 9438944256 is about 2113.3648203128.

The spelling of 9438944256 in words is "nine billion, four hundred thirty-eight million, nine hundred forty-four thousand, two hundred fifty-six".