255273216 has 216 divisors, whose sum is σ = 776409312. Its totient is φ = 74342400.

The previous prime is 255273163. The next prime is 255273247. The reversal of 255273216 is 612372552.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3810015 + ... + 3810081.

Almost surely, 2^255273216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255273216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388204656).

255273216 is an abundant number, since it is smaller than the sum of its proper divisors (521136096).

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

255273216 is a wasteful number, since it uses less digits than its factorization.

255273216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 124 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 255273216 is about 15977.2718572352. The cubic root of 255273216 is about 634.3589670404.

The spelling of 255273216 in words is "two hundred fifty-five million, two hundred seventy-three thousand, two hundred sixteen".