255820326 has 16 divisors (see below), whose sum is σ = 515323200. Its totient is φ = 84659688.

The previous prime is 255820319. The next prime is 255820343. The reversal of 255820326 is 623028552.

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, 152536 + ... + 154203.

It is an arithmetic number, because the mean of its divisors is an integer number (32207700).

Almost surely, 2^255820326 is an apocalyptic number.

255820326 is an abundant number, since it is smaller than the sum of its proper divisors (259502874).

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

255820326 is a wasteful number, since it uses less digits than its factorization.

255820326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306883.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 255820326 is about 15994.3842019629. The cubic root of 255820326 is about 634.8118366994.

Adding to 255820326 its reverse (623028552), we get a palindrome (878848878).

The spelling of 255820326 in words is "two hundred fifty-five million, eight hundred twenty thousand, three hundred twenty-six".