256432214 has 8 divisors (see below), whose sum is σ = 384783168. Its totient is φ = 128171160.

The previous prime is 256432193. The next prime is 256432219. The reversal of 256432214 is 412234652.

256432214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (256432219) 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, 14822 + ... + 27065.

It is an arithmetic number, because the mean of its divisors is an integer number (48097896).

Almost surely, 2^256432214 is an apocalyptic number.

256432214 is a deficient number, since it is larger than the sum of its proper divisors (128350954).

256432214 is a wasteful number, since it uses less digits than its factorization.

256432214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44950.

The product of its digits is 11520, while the sum is 29.

The square root of 256432214 is about 16013.5009913510. The cubic root of 256432214 is about 635.3175620369.

Adding to 256432214 its reverse (412234652), we get a palindrome (668666866).

The spelling of 256432214 in words is "two hundred fifty-six million, four hundred thirty-two thousand, two hundred fourteen".