255422425444 has 12 divisors (see below), whose sum is σ = 446993709568. Its totient is φ = 127709937000.

The previous prime is 255422425441. The next prime is 255422425471. The reversal of 255422425444 is 444524224552.

It is a self number, because there is not a number n which added to its sum of digits gives 255422425444.

It is not an unprimeable number, because it can be changed into a prime (255422425441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240649 + ... + 754159.

Almost surely, 2^255422425444 is an apocalyptic number.

It is an amenable number.

255422425444 is a deficient number, since it is larger than the sum of its proper divisors (191571284124).

255422425444 is a wasteful number, since it uses less digits than its factorization.

255422425444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637866 (or 637864 counting only the distinct ones).

The product of its digits is 2048000, while the sum is 43.

Adding to 255422425444 its reverse (444524224552), we get a palindrome (699946649996).

The spelling of 255422425444 in words is "two hundred fifty-five billion, four hundred twenty-two million, four hundred twenty-five thousand, four hundred forty-four".