255633396 has 12 divisors (see below), whose sum is σ = 596477952. Its totient is φ = 85211128.

The previous prime is 255633383. The next prime is 255633421. The reversal of 255633396 is 693336552.

255633396 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10651380 + ... + 10651403.

It is an arithmetic number, because the mean of its divisors is an integer number (49706496).

Almost surely, 2^255633396 is an apocalyptic number.

It is an amenable number.

255633396 is an abundant number, since it is smaller than the sum of its proper divisors (340844556).

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

255633396 is a wasteful number, since it uses less digits than its factorization.

255633396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21302790 (or 21302788 counting only the distinct ones).

The product of its digits is 437400, while the sum is 42.

The square root of 255633396 is about 15988.5395205441. The cubic root of 255633396 is about 634.6571782932.

The spelling of 255633396 in words is "two hundred fifty-five million, six hundred thirty-three thousand, three hundred ninety-six".