523422640224 has 720 divisors, whose sum is σ = 1808010699264. Its totient is φ = 147915694080.

The previous prime is 523422640217. The next prime is 523422640261. The reversal of 523422640224 is 422046224325.

523422640224 is a `hidden beast` number, since 5 + 2 + 3 + 4 + 2 + 2 + 640 + 2 + 2 + 4 = 666.

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 polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 677131102 + ... + 677131874.

Almost surely, 2^523422640224 is an apocalyptic number.

523422640224 is a gapful number since it is divisible by the number (54) 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 523422640224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (904005349632).

523422640224 is an abundant number, since it is smaller than the sum of its proper divisors (1284588059040).

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

523422640224 is a wasteful number, since it uses less digits than its factorization.

523422640224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 523422640224 its reverse (422046224325), we get a palindrome (945468864549).

The spelling of 523422640224 in words is "five hundred twenty-three billion, four hundred twenty-two million, six hundred forty thousand, two hundred twenty-four".