255311216 has 10 divisors (see below), whose sum is σ = 494665512. Its totient is φ = 127655600.

The previous prime is 255311209. The next prime is 255311239. The reversal of 255311216 is 612113552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7978460 + ... + 7978491.

Almost surely, 2^255311216 is an apocalyptic number.

It is an amenable number.

255311216 is a deficient number, since it is larger than the sum of its proper divisors (239354296).

255311216 is a wasteful number, since it uses less digits than its factorization.

255311216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15956959 (or 15956953 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 255311216 is about 15978.4610022367. The cubic root of 255311216 is about 634.3904423947.

Adding to 255311216 its reverse (612113552), we get a palindrome (867424768).

The spelling of 255311216 in words is "two hundred fifty-five million, three hundred eleven thousand, two hundred sixteen".