255494646 has 36 divisors (see below), whose sum is σ = 608476596. Its totient is φ = 77421960.

The previous prime is 255494641. The next prime is 255494737. The reversal of 255494646 is 646494552.

255494646 is a `hidden beast` number, since 2 + 554 + 94 + 6 + 4 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255494641) 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 in 17 ways as a sum of consecutive naturals, for example, 56476 + ... + 60831.

Almost surely, 2^255494646 is an apocalyptic number.

255494646 is an abundant number, since it is smaller than the sum of its proper divisors (352981950).

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

255494646 is a wasteful number, since it uses less digits than its factorization.

255494646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117337 (or 117323 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 255494646 is about 15984.1998861376. The cubic root of 255494646 is about 634.5423333349.

The spelling of 255494646 in words is "two hundred fifty-five million, four hundred ninety-four thousand, six hundred forty-six".