255044403424 has 24 divisors (see below), whose sum is σ = 502170435648. Its totient is φ = 127509054720.

The previous prime is 255044403401. The next prime is 255044403431. The reversal of 255044403424 is 424304440552.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 91792 + ... + 720079.

It is an arithmetic number, because the mean of its divisors is an integer number (20923768152).

Almost surely, 2^255044403424 is an apocalyptic number.

It is an amenable number.

255044403424 is a deficient number, since it is larger than the sum of its proper divisors (247126032224).

255044403424 is an equidigital number, since it uses as much as digits as its factorization.

255044403424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821698 (or 821690 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 37.

Adding to 255044403424 its reverse (424304440552), we get a palindrome (679348843976).

The spelling of 255044403424 in words is "two hundred fifty-five billion, forty-four million, four hundred three thousand, four hundred twenty-four".