255855448 has 8 divisors (see below), whose sum is σ = 479728980. Its totient is φ = 127927720.

The previous prime is 255855403. The next prime is 255855449. The reversal of 255855448 is 844558552.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 255855398 and 255855407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255855449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15990958 + ... + 15990973.

Almost surely, 2^255855448 is an apocalyptic number.

It is an amenable number.

255855448 is a deficient number, since it is larger than the sum of its proper divisors (223873532).

255855448 is a wasteful number, since it uses less digits than its factorization.

255855448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31981937 (or 31981933 counting only the distinct ones).

The product of its digits is 1280000, while the sum is 46.

The square root of 255855448 is about 15995.4821121465. The cubic root of 255855448 is about 634.8408868292.

The spelling of 255855448 in words is "two hundred fifty-five million, eight hundred fifty-five thousand, four hundred forty-eight".