256214470 has 8 divisors (see below), whose sum is σ = 461186064. Its totient is φ = 102485784.

The previous prime is 256214417. The next prime is 256214471. The reversal of 256214470 is 74412652.

256214470 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 (256214471) 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, 12810714 + ... + 12810733.

It is an arithmetic number, because the mean of its divisors is an integer number (57648258).

Almost surely, 2^256214470 is an apocalyptic number.

256214470 is a deficient number, since it is larger than the sum of its proper divisors (204971594).

256214470 is a wasteful number, since it uses less digits than its factorization.

256214470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25621454.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 256214470 is about 16006.7007843590. The cubic root of 256214470 is about 635.1376889511.

The spelling of 256214470 in words is "two hundred fifty-six million, two hundred fourteen thousand, four hundred seventy".