256043026426034 has 16 divisors (see below), whose sum is σ = 384413594607000. Its totient is φ = 127905163204224.

The previous prime is 256043026426003. The next prime is 256043026426039. The reversal of 256043026426034 is 430624620340652.

256043026426034 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 4 ways, for example, as 180628304678809 + 75414721747225 = 13439803^2 + 8684165^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 256043026426034.

It is not an unprimeable number, because it can be changed into a prime (256043026426039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397918214 + ... + 398561150.

Almost surely, 2^{256043026426034} is an apocalyptic number.

256043026426034 is a deficient number, since it is larger than the sum of its proper divisors (128370568180966).

256043026426034 is a wasteful number, since it uses less digits than its factorization.

256043026426034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823597.

The product of its (nonzero) digits is 4976640, while the sum is 47.

Adding to 256043026426034 its reverse (430624620340652), we get a palindrome (686667646766686).

The spelling of 256043026426034 in words is "two hundred fifty-six trillion, forty-three billion, twenty-six million, four hundred twenty-six thousand, thirty-four".