256032286 has 8 divisors (see below), whose sum is σ = 396437184. Its totient is φ = 123886560.

The previous prime is 256032281. The next prime is 256032289. The reversal of 256032286 is 682230652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256032281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2064715 + ... + 2064838.

It is an arithmetic number, because the mean of its divisors is an integer number (49554648).

Almost surely, 2^256032286 is an apocalyptic number.

256032286 is a deficient number, since it is larger than the sum of its proper divisors (140404898).

256032286 is a wasteful number, since it uses less digits than its factorization.

256032286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129586.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 256032286 is about 16001.0089056909. The cubic root of 256032286 is about 634.9871128060.

It can be divided in two parts, 25603 and 2286, that added together give a square (27889 = 167²).

The spelling of 256032286 in words is "two hundred fifty-six million, thirty-two thousand, two hundred eighty-six".