256632542032727 has 8 divisors (see below), whose sum is σ = 293294574285696. Its totient is φ = 219970569913272.

The previous prime is 256632542032681. The next prime is 256632542032807. The reversal of 256632542032727 is 727230245236652.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256632542032727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256632542082727) 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, 5483873 + ... + 23309610.

It is an arithmetic number, because the mean of its divisors is an integer number (36661821785712).

Almost surely, 2^{256632542032727} is an apocalyptic number.

256632542032727 is a deficient number, since it is larger than the sum of its proper divisors (36662032252969).

256632542032727 is a wasteful number, since it uses less digits than its factorization.

256632542032727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30066757.

The product of its (nonzero) digits is 50803200, while the sum is 56.

The spelling of 256632542032727 in words is "two hundred fifty-six trillion, six hundred thirty-two billion, five hundred forty-two million, thirty-two thousand, seven hundred twenty-seven".