255606208320 has 112 divisors (see below), whose sum is σ = 811683911808. Its totient is φ = 68150384640.

The previous prime is 255606208309. The next prime is 255606208367. The reversal of 255606208320 is 23802606552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6929125 + ... + 6965915.

It is an arithmetic number, because the mean of its divisors is an integer number (7247177784).

Almost surely, 2^255606208320 is an apocalyptic number.

255606208320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255606208320 is an abundant number, since it is smaller than the sum of its proper divisors (556077703488).

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

255606208320 is a wasteful number, since it uses less digits than its factorization.

255606208320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44048 (or 44038 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 255606208320 in words is "two hundred fifty-five billion, six hundred six million, two hundred eight thousand, three hundred twenty".