255441646 has 8 divisors (see below), whose sum is σ = 383231520. Its totient is φ = 127697808.

The previous prime is 255441631. The next prime is 255441647. The reversal of 255441646 is 646144552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×255441646² = 130500869022378632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255441647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11835 + ... + 25513.

It is an arithmetic number, because the mean of its divisors is an integer number (47903940).

Almost surely, 2^255441646 is an apocalyptic number.

255441646 is a deficient number, since it is larger than the sum of its proper divisors (127789874).

255441646 is a wasteful number, since it uses less digits than its factorization.

255441646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23018.

The product of its digits is 115200, while the sum is 37.

The square root of 255441646 is about 15982.5419129749. The cubic root of 255441646 is about 634.4984536556.

The spelling of 255441646 in words is "two hundred fifty-five million, four hundred forty-one thousand, six hundred forty-six".