255955930 has 8 divisors (see below), whose sum is σ = 460720692. Its totient is φ = 102382368.

The previous prime is 255955913. The next prime is 255955949. The reversal of 255955930 is 39559552.

It can be written as a sum of positive squares in 2 ways, for example, as 230644969 + 25310961 = 15187^2 + 5031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 12797787 + ... + 12797806.

Almost surely, 2^255955930 is an apocalyptic number.

255955930 is a deficient number, since it is larger than the sum of its proper divisors (204764762).

255955930 is a wasteful number, since it uses less digits than its factorization.

255955930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25595600.

The product of its (nonzero) digits is 303750, while the sum is 43.

The square root of 255955930 is about 15998.6227532247. The cubic root of 255955930 is about 634.9239828815.

The spelling of 255955930 in words is "two hundred fifty-five million, nine hundred fifty-five thousand, nine hundred thirty".