522003445255340 has 192 divisors, whose sum is σ = 1177284468286080. Its totient is φ = 193723037122560.

The previous prime is 522003445255337. The next prime is 522003445255367. The reversal of 522003445255340 is 43552544300225.

It is a junction number, because it is equal to n+sod(n) for n = 522003445255291 and 522003445255300.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42924378860 + ... + 42924391020.

It is an arithmetic number, because the mean of its divisors is an integer number (6131689938990).

Almost surely, 2^{522003445255340} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522003445255340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588642234143040).

522003445255340 is an abundant number, since it is smaller than the sum of its proper divisors (655281023030740).

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

522003445255340 is a wasteful number, since it uses less digits than its factorization.

522003445255340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16452 (or 16450 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 44.

Adding to 522003445255340 its reverse (43552544300225), we get a palindrome (565555989555565).

The spelling of 522003445255340 in words is "five hundred twenty-two trillion, three billion, four hundred forty-five million, two hundred fifty-five thousand, three hundred forty".