256464230 has 32 divisors (see below), whose sum is σ = 505128960. Its totient is φ = 92977120.

The previous prime is 256464211. The next prime is 256464233. The reversal of 256464230 is 32464652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256464233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34811 + ... + 41529.

It is an arithmetic number, because the mean of its divisors is an integer number (15785280).

Almost surely, 2^256464230 is an apocalyptic number.

256464230 is a deficient number, since it is larger than the sum of its proper divisors (248664730).

256464230 is a wasteful number, since it uses less digits than its factorization.

256464230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 256464230 is about 16014.5006166287. The cubic root of 256464230 is about 635.3440010976.

The spelling of 256464230 in words is "two hundred fifty-six million, four hundred sixty-four thousand, two hundred thirty".