256206032 has 30 divisors (see below), whose sum is σ = 523912338. Its totient is φ = 121358016.

The previous prime is 256206017. The next prime is 256206053. The reversal of 256206032 is 230602652.

It can be written as a sum of positive squares in only one way, i.e., 252301456 + 3904576 = 15884^2 + 1976^2 .

It is a junction number, because it is equal to n+sod(n) for n = 256205992 and 256206010.

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 5 ways as a sum of consecutive naturals, for example, 16403 + ... + 27954.

Almost surely, 2^256206032 is an apocalyptic number.

It is an amenable number.

256206032 is an abundant number, since it is smaller than the sum of its proper divisors (267706306).

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

256206032 is a wasteful number, since it uses less digits than its factorization.

256206032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44403 (or 44378 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 256206032 is about 16006.4372050747. The cubic root of 256206032 is about 635.1307164713.

Adding to 256206032 its reverse (230602652), we get a palindrome (486808684).

The spelling of 256206032 in words is "two hundred fifty-six million, two hundred six thousand, thirty-two".