256516541002034 has 8 divisors (see below), whose sum is σ = 384774926815020. Its totient is φ = 128258232063696.

The previous prime is 256516541002019. The next prime is 256516541002103. The reversal of 256516541002034 is 430200145615652.

It can be written as a sum of positive squares in 2 ways, for example, as 236193097530625 + 20323443471409 = 15368575^2 + 4508153^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9990389 + ... + 24755624.

Almost surely, 2^{256516541002034} is an apocalyptic number.

256516541002034 is a deficient number, since it is larger than the sum of its proper divisors (128258385812986).

256516541002034 is a wasteful number, since it uses less digits than its factorization.

256516541002034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38437324.

The product of its (nonzero) digits is 864000, while the sum is 44.

Adding to 256516541002034 its reverse (430200145615652), we get a palindrome (686716686617686).

The spelling of 256516541002034 in words is "two hundred fifty-six trillion, five hundred sixteen billion, five hundred forty-one million, two thousand, thirty-four".