255409212 has 24 divisors (see below), whose sum is σ = 603500800. Its totient is φ = 84058416.

The previous prime is 255409201. The next prime is 255409243. The reversal of 255409212 is 212904552.

It is a self number, because there is not a number n which added to its sum of digits gives 255409212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133762 + ... + 135657.

Almost surely, 2^255409212 is an apocalyptic number.

It is an amenable number.

255409212 is an abundant number, since it is smaller than the sum of its proper divisors (348091588).

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

255409212 is a wasteful number, since it uses less digits than its factorization.

255409212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269505 (or 269503 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 255409212 is about 15981.5272111272. The cubic root of 255409212 is about 634.4715979539.

The spelling of 255409212 in words is "two hundred fifty-five million, four hundred nine thousand, two hundred twelve".