255004664 has 8 divisors (see below), whose sum is σ = 478133760. Its totient is φ = 127502328.

The previous prime is 255004661. The next prime is 255004679. The reversal of 255004664 is 466400552.

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

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 255004664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255004661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15937784 + ... + 15937799.

It is an arithmetic number, because the mean of its divisors is an integer number (59766720).

Almost surely, 2^255004664 is an apocalyptic number.

It is an amenable number.

255004664 is a deficient number, since it is larger than the sum of its proper divisors (223129096).

255004664 is a wasteful number, since it uses less digits than its factorization.

255004664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31875589 (or 31875585 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 255004664 is about 15968.8654575082. The cubic root of 255004664 is about 634.1364366513.

The spelling of 255004664 in words is "two hundred fifty-five million, four thousand, six hundred sixty-four".