522044064 has 144 divisors (see below), whose sum is σ = 1579398912. Its totient is φ = 163198464.

The previous prime is 522044059. The next prime is 522044071. The reversal of 522044064 is 460440225.

522044064 is a `hidden beast` number, since 52 + 204 + 406 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350329 + ... + 351815.

It is an arithmetic number, because the mean of its divisors is an integer number (10968048).

Almost surely, 2^522044064 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 522044064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789699456).

522044064 is an abundant number, since it is smaller than the sum of its proper divisors (1057354848).

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

522044064 is a wasteful number, since it uses less digits than its factorization.

522044064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 522044064 is about 22848.2836116851. The cubic root of 522044064 is about 805.1974434351.

Adding to 522044064 its reverse (460440225), we get a palindrome (982484289).

It can be divided in two parts, 5220 and 44064, that added together give a square (49284 = 222²).

The spelling of 522044064 in words is "five hundred twenty-two million, forty-four thousand, sixty-four".