255502256766 has 32 divisors (see below), whose sum is σ = 512145089280. Its totient is φ = 84977510016.

The previous prime is 255502256761. The next prime is 255502256771. The reversal of 255502256766 is 667652205552.

It is an interprime number because it is at equal distance from previous prime (255502256761) and next prime (255502256771).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255502256761) 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, 5699110 + ... + 5743766.

It is an arithmetic number, because the mean of its divisors is an integer number (16004534040).

Almost surely, 2^255502256766 is an apocalyptic number.

255502256766 is an abundant number, since it is smaller than the sum of its proper divisors (256642832514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255502256766 is a wasteful number, since it uses less digits than its factorization.

255502256766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46768.

The product of its (nonzero) digits is 7560000, while the sum is 51.

It can be divided in two parts, 25550 and 2256766, that added together give a triangular number (2282316 = T₂₁₃₆).

The spelling of 255502256766 in words is "two hundred fifty-five billion, five hundred two million, two hundred fifty-six thousand, seven hundred sixty-six".