256293430310 has 32 divisors (see below), whose sum is σ = 477623008512. Its totient is φ = 98915927040.

The previous prime is 256293430307. The next prime is 256293430321. The reversal of 256293430310 is 13034392652.

256293430310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×256293430310² (a number of 24 digits) contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1122167 + ... + 1331106.

It is an arithmetic number, because the mean of its divisors is an integer number (14925719016).

Almost surely, 2^256293430310 is an apocalyptic number.

256293430310 is a deficient number, since it is larger than the sum of its proper divisors (221329578202).

256293430310 is a wasteful number, since it uses less digits than its factorization.

256293430310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453648.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 256293430310 in words is "two hundred fifty-six billion, two hundred ninety-three million, four hundred thirty thousand, three hundred ten".