255966328 has 48 divisors (see below), whose sum is σ = 509960880. Its totient is φ = 120427776.

The previous prime is 255966323. The next prime is 255966329. The reversal of 255966328 is 823669552.

It is a super-2 number, since 2×255966328² = 131037522139607168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255966323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 759376 + ... + 759712.

It is an arithmetic number, because the mean of its divisors is an integer number (10624185).

Almost surely, 2^255966328 is an apocalyptic number.

It is an amenable number.

255966328 is a deficient number, since it is larger than the sum of its proper divisors (253994552).

255966328 is a wasteful number, since it uses less digits than its factorization.

255966328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 621 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 255966328 is about 15998.9477153968. The cubic root of 255966328 is about 634.9325805207.

The spelling of 255966328 in words is "two hundred fifty-five million, nine hundred sixty-six thousand, three hundred twenty-eight".