256532352 has 64 divisors (see below), whose sum is σ = 683102160. Its totient is φ = 85299200.

The previous prime is 256532351. The next prime is 256532371. The reversal of 256532352 is 253235652.

256532352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256532351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268708 + ... + 269660.

Almost surely, 2^256532352 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 256532352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341551080).

256532352 is an abundant number, since it is smaller than the sum of its proper divisors (426569808).

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

256532352 is an equidigital number, since it uses as much as digits as its factorization.

256532352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1659 counting only the distinct ones).

The product of its digits is 54000, while the sum is 33.

The square root of 256532352 is about 16016.6273603403. The cubic root of 256532352 is about 635.4002494518.

The spelling of 256532352 in words is "two hundred fifty-six million, five hundred thirty-two thousand, three hundred fifty-two".