4396648256 has 336 divisors, whose sum is σ = 12531230208. Its totient is φ = 1484144640.

The previous prime is 4396648213. The next prime is 4396648259. The reversal of 4396648256 is 6528466934.

It is a junction number, because it is equal to n+sod(n) for n = 4396648198 and 4396648207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4396648259) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11979785 + ... + 11980151.

It is an arithmetic number, because the mean of its divisors is an integer number (37295328).

Almost surely, 2^4396648256 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 4396648256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6265615104).

4396648256 is an abundant number, since it is smaller than the sum of its proper divisors (8134581952).

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

4396648256 is a wasteful number, since it uses less digits than its factorization.

4396648256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 417 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 53.

The square root of 4396648256 is about 66307.2262728581. The cubic root of 4396648256 is about 1638.2263513904.

The spelling of 4396648256 in words is "four billion, three hundred ninety-six million, six hundred forty-eight thousand, two hundred fifty-six".