255395956 has 24 divisors (see below), whose sum is σ = 471199680. Its totient is φ = 120882432.

The previous prime is 255395951. The next prime is 255395977. The reversal of 255395956 is 659593552.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255395951) 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 7 ways as a sum of consecutive naturals, for example, 5386 + ... + 23233.

It is an arithmetic number, because the mean of its divisors is an integer number (19633320).

Almost surely, 2^255395956 is an apocalyptic number.

It is an amenable number.

255395956 is a deficient number, since it is larger than the sum of its proper divisors (215803724).

255395956 is a wasteful number, since it uses less digits than its factorization.

255395956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28743 (or 28741 counting only the distinct ones).

The product of its digits is 1822500, while the sum is 49.

The square root of 255395956 is about 15981.1124769210. The cubic root of 255395956 is about 634.4606211885.

The spelling of 255395956 in words is "two hundred fifty-five million, three hundred ninety-five thousand, nine hundred fifty-six".