256034590730 has 8 divisors (see below), whose sum is σ = 460862263332. Its totient is φ = 102413836288.

The previous prime is 256034590703. The next prime is 256034590741. The reversal of 256034590730 is 37095430652.

256034590730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 252537405961 + 3497184769 = 502531^2 + 59137^2 .

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

It is a Curzon number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 12801729527 + ... + 12801729546.

Almost surely, 2^256034590730 is an apocalyptic number.

256034590730 is a deficient number, since it is larger than the sum of its proper divisors (204827672602).

256034590730 is a wasteful number, since it uses less digits than its factorization.

256034590730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25603459080.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 256034590730 in words is "two hundred fifty-six billion, thirty-four million, five hundred ninety thousand, seven hundred thirty".