255525354220444 has 72 divisors (see below), whose sum is σ = 567665011565568. Its totient is φ = 99520312721760.

The previous prime is 255525354220399. The next prime is 255525354220453. The reversal of 255525354220444 is 444022453525552.

It is a junction number, because it is equal to n+sod(n) for n = 255525354220391 and 255525354220400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14714364 + ... + 26973379.

It is an arithmetic number, because the mean of its divisors is an integer number (7884236271744).

Almost surely, 2^{255525354220444} is an apocalyptic number.

It is an amenable number.

255525354220444 is an abundant number, since it is smaller than the sum of its proper divisors (312139657345124).

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

255525354220444 is a wasteful number, since it uses less digits than its factorization.

255525354220444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41690615 (or 41690606 counting only the distinct ones).

The product of its (nonzero) digits is 38400000, while the sum is 52.

The spelling of 255525354220444 in words is "two hundred fifty-five trillion, five hundred twenty-five billion, three hundred fifty-four million, two hundred twenty thousand, four hundred forty-four".