255970408 has 16 divisors (see below), whose sum is σ = 485338500. Its totient is φ = 126546816.

The previous prime is 255970391. The next prime is 255970409. The reversal of 255970408 is 804079552.

It can be written as a sum of positive squares in 2 ways, for example, as 235376964 + 20593444 = 15342^2 + 4538^2 .

It is not an unprimeable number, because it can be changed into a prime (255970409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179043 + ... + 180466.

Almost surely, 2^255970408 is an apocalyptic number.

It is an amenable number.

255970408 is a deficient number, since it is larger than the sum of its proper divisors (229368092).

255970408 is a wasteful number, since it uses less digits than its factorization.

255970408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359604 (or 359600 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 255970408 is about 15999.0752232746. The cubic root of 255970408 is about 634.9359540258.

The spelling of 255970408 in words is "two hundred fifty-five million, nine hundred seventy thousand, four hundred eight".