255305033278 has 16 divisors (see below), whose sum is σ = 410617183680. Its totient is φ = 118622739456.

The previous prime is 255305033257. The next prime is 255305033281. The reversal of 255305033278 is 872330503552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47522451 + ... + 47527822.

It is an arithmetic number, because the mean of its divisors is an integer number (25663573980).

Almost surely, 2^255305033278 is an apocalyptic number.

255305033278 is a deficient number, since it is larger than the sum of its proper divisors (155312150402).

255305033278 is a wasteful number, since it uses less digits than its factorization.

255305033278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95050371.

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 255305033278 in words is "two hundred fifty-five billion, three hundred five million, thirty-three thousand, two hundred seventy-eight".