256356700403741 has 16 divisors (see below), whose sum is σ = 293194861800960. Its totient is φ = 219572486864640.

The previous prime is 256356700403723. The next prime is 256356700403747. The reversal of 256356700403741 is 147304007653652.

It is not a de Polignac number, because 256356700403741 - 2²² = 256356696209437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256356700403747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1399854380 + ... + 1400037498.

It is an arithmetic number, because the mean of its divisors is an integer number (18324678862560).

Almost surely, 2^{256356700403741} is an apocalyptic number.

It is an amenable number.

256356700403741 is a deficient number, since it is larger than the sum of its proper divisors (36838161397219).

256356700403741 is a wasteful number, since it uses less digits than its factorization.

256356700403741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329324.

The product of its (nonzero) digits is 12700800, while the sum is 53.

The spelling of 256356700403741 in words is "two hundred fifty-six trillion, three hundred fifty-six billion, seven hundred million, four hundred three thousand, seven hundred forty-one".