256375037234 has 4 divisors (see below), whose sum is σ = 384562555854. Its totient is φ = 128187518616.

The previous prime is 256375037213. The next prime is 256375037239. The reversal of 256375037234 is 432730573652.

256375037234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 209933494225 + 46441543009 = 458185^2 + 215503^2 .

It is not an unprimeable number, because it can be changed into a prime (256375037239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64093759307 + ... + 64093759310.

Almost surely, 2^256375037234 is an apocalyptic number.

256375037234 is a deficient number, since it is larger than the sum of its proper divisors (128187518620).

256375037234 is a wasteful number, since it uses less digits than its factorization.

256375037234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128187518619.

The product of its (nonzero) digits is 3175200, while the sum is 47.

The spelling of 256375037234 in words is "two hundred fifty-six billion, three hundred seventy-five million, thirty-seven thousand, two hundred thirty-four".