522245002400000 has 432 divisors, whose sum is σ = 1433182021479936. Its totient is φ = 189906886400000.

The previous prime is 522245002399999. The next prime is 522245002400021. The reversal of 522245002400000 is 4200542225.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1064554769 + ... + 1065045231.

It is an arithmetic number, because the mean of its divisors is an integer number (3317550975648).

Almost surely, 2^{522245002400000} is an apocalyptic number.

522245002400000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522245002400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716591010739968).

522245002400000 is an abundant number, since it is smaller than the sum of its proper divisors (910937019079936).

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

522245002400000 is an frugal number, since it uses more digits than its factorization.

522245002400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490537 (or 490481 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 522245002400000 its reverse (4200542225), we get a palindrome (522249202942225).

The spelling of 522245002400000 in words is "five hundred twenty-two trillion, two hundred forty-five billion, two million, four hundred thousand".