255606446 has 16 divisors (see below), whose sum is σ = 388580976. Its totient is φ = 126087936.

The previous prime is 255606443. The next prime is 255606469. The reversal of 255606446 is 644606552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255606443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65420 + ... + 69216.

It is an arithmetic number, because the mean of its divisors is an integer number (24286311).

Almost surely, 2^255606446 is an apocalyptic number.

255606446 is a deficient number, since it is larger than the sum of its proper divisors (132974530).

255606446 is a wasteful number, since it uses less digits than its factorization.

255606446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 255606446 is about 15987.6967071558. The cubic root of 255606446 is about 634.6348747232.

The spelling of 255606446 in words is "two hundred fifty-five million, six hundred six thousand, four hundred forty-six".