255671742266 has 4 divisors (see below), whose sum is σ = 383507613402. Its totient is φ = 127835871132.

The previous prime is 255671742223. The next prime is 255671742317. The reversal of 255671742266 is 662247176552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 254894726641 + 777015625 = 504871^2 + 27875^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63917935565 + ... + 63917935568.

Almost surely, 2^255671742266 is an apocalyptic number.

255671742266 is a deficient number, since it is larger than the sum of its proper divisors (127835871136).

255671742266 is a wasteful number, since it uses less digits than its factorization.

255671742266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127835871135.

The product of its digits is 8467200, while the sum is 53.

The spelling of 255671742266 in words is "two hundred fifty-five billion, six hundred seventy-one million, seven hundred forty-two thousand, two hundred sixty-six".