256234450234 has 32 divisors (see below), whose sum is σ = 442196496000. Its totient is φ = 109080848448.

The previous prime is 256234450201. The next prime is 256234450247. The reversal of 256234450234 is 432054432652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7674144 + ... + 7707460.

It is an arithmetic number, because the mean of its divisors is an integer number (13818640500).

Almost surely, 2^256234450234 is an apocalyptic number.

256234450234 is a deficient number, since it is larger than the sum of its proper divisors (185962045766).

256234450234 is a wasteful number, since it uses less digits than its factorization.

256234450234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36982.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 256234450234 its reverse (432054432652), we get a palindrome (688288882886).

The spelling of 256234450234 in words is "two hundred fifty-six billion, two hundred thirty-four million, four hundred fifty thousand, two hundred thirty-four".