255520026 has 24 divisors (see below), whose sum is σ = 555527700. Its totient is φ = 84880896.

The previous prime is 255519997. The next prime is 255520093. The reversal of 255520026 is 620025552.

It can be written as a sum of positive squares in 2 ways, for example, as 165251025 + 90269001 = 12855^2 + 9501^2 .

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 11 ways as a sum of consecutive naturals, for example, 18951 + ... + 29498.

Almost surely, 2^255520026 is an apocalyptic number.

255520026 is an abundant number, since it is smaller than the sum of its proper divisors (300007674).

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

255520026 is a wasteful number, since it uses less digits than its factorization.

255520026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48750 (or 48747 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 255520026 is about 15984.9937754132. The cubic root of 255520026 is about 634.5633437572.

Adding to 255520026 its reverse (620025552), we get a palindrome (875545578).

The spelling of 255520026 in words is "two hundred fifty-five million, five hundred twenty thousand, twenty-six".