522738904920 has 512 divisors, whose sum is σ = 1725500620800. Its totient is φ = 126343526400.

The previous prime is 522738904871. The next prime is 522738904931. The reversal of 522738904920 is 29409837225.

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 127 ways as a sum of consecutive naturals, for example, 664216767 + ... + 664217553.

It is an arithmetic number, because the mean of its divisors is an integer number (3370118400).

Almost surely, 2^522738904920 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 522738904920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862750310400).

522738904920 is an abundant number, since it is smaller than the sum of its proper divisors (1202761715880).

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

522738904920 is a wasteful number, since it uses less digits than its factorization.

522738904920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039 (or 1035 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 522738904920 in words is "five hundred twenty-two billion, seven hundred thirty-eight million, nine hundred four thousand, nine hundred twenty".