522042257250 has 192 divisors, whose sum is σ = 1432837486080. Its totient is φ = 137127091200.

The previous prime is 522042257249. The next prime is 522042257257. The reversal of 522042257250 is 52752240225.

522042257250 is a `hidden beast` number, since 5 + 220 + 422 + 5 + 7 + 2 + 5 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (522042257257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 65918791 + ... + 65926709.

It is an arithmetic number, because the mean of its divisors is an integer number (7462695240).

Almost surely, 2^522042257250 is an apocalyptic number.

522042257250 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 522042257250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716418743040).

522042257250 is an abundant number, since it is smaller than the sum of its proper divisors (910795228830).

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

522042257250 is a wasteful number, since it uses less digits than its factorization.

522042257250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8378 (or 8365 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

Adding to 522042257250 its reverse (52752240225), we get a palindrome (574794497475).

The spelling of 522042257250 in words is "five hundred twenty-two billion, forty-two million, two hundred fifty-seven thousand, two hundred fifty".