255486336 has 128 divisors (see below), whose sum is σ = 821352960. Its totient is φ = 68689920.

The previous prime is 255486311. The next prime is 255486347. The reversal of 255486336 is 633684552.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 42901 + ... + 48491.

It is an arithmetic number, because the mean of its divisors is an integer number (6416820).

Almost surely, 2^255486336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255486336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410676480).

255486336 is an abundant number, since it is smaller than the sum of its proper divisors (565866624).

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

255486336 is a wasteful number, since it uses less digits than its factorization.

255486336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5632 (or 5620 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

The square root of 255486336 is about 15983.9399398271. The cubic root of 255486336 is about 634.5354537335.

It can be divided in two parts, 255 and 486336, that added together give a triangular number (486591 = T₉₈₆).

The spelling of 255486336 in words is "two hundred fifty-five million, four hundred eighty-six thousand, three hundred thirty-six".