522823680 has 384 divisors, whose sum is σ = 1949875200. Its totient is φ = 132710400.

The previous prime is 522823673. The next prime is 522823699. The reversal of 522823680 is 86328225.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8570850 + ... + 8570910.

It is an arithmetic number, because the mean of its divisors is an integer number (5077800).

Almost surely, 2^522823680 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 522823680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974937600).

522823680 is an abundant number, since it is smaller than the sum of its proper divisors (1427051520).

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

522823680 is a wasteful number, since it uses less digits than its factorization.

522823680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 522823680 is about 22865.3379594530. The cubic root of 522823680 is about 805.5980689907.

The spelling of 522823680 in words is "five hundred twenty-two million, eight hundred twenty-three thousand, six hundred eighty".