255609996 has 12 divisors (see below), whose sum is σ = 596423352. Its totient is φ = 85203328.

The previous prime is 255609961. The next prime is 255610027. The reversal of 255609996 is 699906552.

255609996 is digitally balanced in base 2, 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10650405 + ... + 10650428.

It is an arithmetic number, because the mean of its divisors is an integer number (49701946).

Almost surely, 2^255609996 is an apocalyptic number.

It is an amenable number.

255609996 is an abundant number, since it is smaller than the sum of its proper divisors (340813356).

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

255609996 is a wasteful number, since it uses less digits than its factorization.

255609996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21300840 (or 21300838 counting only the distinct ones).

The product of its (nonzero) digits is 1312200, while the sum is 51.

The square root of 255609996 is about 15987.8077296420. The cubic root of 255609996 is about 634.6378127599.

The spelling of 255609996 in words is "two hundred fifty-five million, six hundred nine thousand, nine hundred ninety-six".