257755075282 has 16 divisors (see below), whose sum is σ = 397701689112. Its totient is φ = 125198714880.

The previous prime is 257755075243. The next prime is 257755075289. The reversal of 257755075282 is 282570557752.

It can be written as a sum of positive squares in 4 ways, for example, as 218230056801 + 39525018481 = 467151^2 + 198809^2 .

It is not an unprimeable number, because it can be changed into a prime (257755075289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2669553 + ... + 2764420.

Almost surely, 2^257755075282 is an apocalyptic number.

257755075282 is a deficient number, since it is larger than the sum of its proper divisors (139946613830).

257755075282 is a wasteful number, since it uses less digits than its factorization.

257755075282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5434653.

The product of its (nonzero) digits is 13720000, while the sum is 55.

The spelling of 257755075282 in words is "two hundred fifty-seven billion, seven hundred fifty-five million, seventy-five thousand, two hundred eighty-two".