256841335726 has 8 divisors (see below), whose sum is σ = 390539565504. Its totient is φ = 126661480560.

The previous prime is 256841335721. The next prime is 256841335727. The reversal of 256841335726 is 627533148652.

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 (256841335721) 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, 879593470 + ... + 879593761.

It is an arithmetic number, because the mean of its divisors is an integer number (48817445688).

Almost surely, 2^256841335726 is an apocalyptic number.

256841335726 is a deficient number, since it is larger than the sum of its proper divisors (133698229778).

256841335726 is a wasteful number, since it uses less digits than its factorization.

256841335726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759187306.

The product of its digits is 7257600, while the sum is 52.

The spelling of 256841335726 in words is "two hundred fifty-six billion, eight hundred forty-one million, three hundred thirty-five thousand, seven hundred twenty-six".