256026135046 has 8 divisors (see below), whose sum is σ = 418951857384. Its totient is φ = 116375515920.

The previous prime is 256026134963. The next prime is 256026135049. The reversal of 256026135046 is 640531620652.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256026135049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5818775775 + ... + 5818775818.

It is an arithmetic number, because the mean of its divisors is an integer number (52368982173).

Almost surely, 2^256026135046 is an apocalyptic number.

256026135046 is a deficient number, since it is larger than the sum of its proper divisors (162925722338).

256026135046 is a wasteful number, since it uses less digits than its factorization.

256026135046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11637551606.

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 256026135046 its reverse (640531620652), we get a palindrome (896557755698).

The spelling of 256026135046 in words is "two hundred fifty-six billion, twenty-six million, one hundred thirty-five thousand, forty-six".