2148832256 has 66 divisors (see below), whose sum is σ = 4460269710. Its totient is φ = 1033510912.

The previous prime is 2148832219. The next prime is 2148832261. The reversal of 2148832256 is 6522388412.

It can be written as a sum of positive squares in 3 ways, for example, as 31360000 + 2117472256 = 5600^2 + 46016^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7988090 + ... + 7988358.

Almost surely, 2^2148832256 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 2148832256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2230134855).

2148832256 is an abundant number, since it is smaller than the sum of its proper divisors (2311437454).

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

2148832256 is an frugal number, since it uses more digits than its factorization.

2148832256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 300 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 2148832256 is about 46355.4986598138. The cubic root of 2148832256 is about 1290.4291695449.

The spelling of 2148832256 in words is "two billion, one hundred forty-eight million, eight hundred thirty-two thousand, two hundred fifty-six".