256430014 has 8 divisors (see below), whose sum is σ = 386296560. Its totient is φ = 127664496.

The previous prime is 256429993. The next prime is 256430033. The reversal of 256430014 is 410034652.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274674 + ... + 275605.

It is an arithmetic number, because the mean of its divisors is an integer number (48287070).

Almost surely, 2^256430014 is an apocalyptic number.

256430014 is a deficient number, since it is larger than the sum of its proper divisors (129866546).

256430014 is a wasteful number, since it uses less digits than its factorization.

256430014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550514.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 256430014 is about 16013.4322991668. The cubic root of 256430014 is about 635.3157451791.

Adding to 256430014 its reverse (410034652), we get a palindrome (666464666).

The spelling of 256430014 in words is "two hundred fifty-six million, four hundred thirty thousand, fourteen".