522430464 has 96 divisors (see below), whose sum is σ = 1453757760. Its totient is φ = 166526976.

The previous prime is 522430463. The next prime is 522430477. The reversal of 522430464 is 464034225.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (522430463) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 139464 + ... + 143160.

It is an arithmetic number, because the mean of its divisors is an integer number (15143310).

Almost surely, 2^522430464 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 522430464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726878880).

522430464 is an abundant number, since it is smaller than the sum of its proper divisors (931327296).

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

522430464 is a wasteful number, since it uses less digits than its factorization.

522430464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745 (or 3725 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 522430464 is about 22856.7378249828. The cubic root of 522430464 is about 805.3960547420.

Adding to 522430464 its reverse (464034225), we get a palindrome (986464689).

The spelling of 522430464 in words is "five hundred twenty-two million, four hundred thirty thousand, four hundred sixty-four".