255855948 has 36 divisors (see below), whose sum is σ = 605438568. Its totient is φ = 84096000.

The previous prime is 255855947. The next prime is 255855959. The reversal of 255855948 is 849558552.

It is a happy number.

It is a super-2 number, since 2×255855948² = 130924532253957408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255855948.

It is not an unprimeable number, because it can be changed into a prime (255855947) 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 in 11 ways as a sum of consecutive naturals, for example, 61948 + ... + 65948.

It is an arithmetic number, because the mean of its divisors is an integer number (16817738).

Almost surely, 2^255855948 is an apocalyptic number.

It is an amenable number.

255855948 is an abundant number, since it is smaller than the sum of its proper divisors (349582620).

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

255855948 is a wasteful number, since it uses less digits than its factorization.

255855948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154 (or 4079 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 51.

The square root of 255855948 is about 15995.4977415522. The cubic root of 255855948 is about 634.8413003703.

The spelling of 255855948 in words is "two hundred fifty-five million, eight hundred fifty-five thousand, nine hundred forty-eight".