522454044450 has 144 divisors (see below), whose sum is σ = 1485552838176. Its totient is φ = 121039027200.

The previous prime is 522454044353. The next prime is 522454044479. The reversal of 522454044450 is 54440454225.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 522454044399 and 522454044408.

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 71 ways as a sum of consecutive naturals, for example, 175216 + ... + 1037115.

It is an arithmetic number, because the mean of its divisors is an integer number (10316339154).

Almost surely, 2^522454044450 is an apocalyptic number.

522454044450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 522454044450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742776419088).

522454044450 is an abundant number, since it is smaller than the sum of its proper divisors (963098793726).

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

522454044450 is a wasteful number, since it uses less digits than its factorization.

522454044450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212389 (or 1212371 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 39.

Adding to 522454044450 its reverse (54440454225), we get a palindrome (576894498675).

The spelling of 522454044450 in words is "five hundred twenty-two billion, four hundred fifty-four million, forty-four thousand, four hundred fifty".