531423360 has 384 divisors, whose sum is σ = 2031644160. Its totient is φ = 127180800.

The previous prime is 531423337. The next prime is 531423391. The reversal of 531423360 is 63324135.

It is a happy number.

531423360 is a `hidden beast` number, since 531 + 42 + 33 + 60 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3519285 + ... + 3519435.

It is an arithmetic number, because the mean of its divisors is an integer number (5290740).

Almost surely, 2^531423360 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 531423360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015822080).

531423360 is an abundant number, since it is smaller than the sum of its proper divisors (1500220800).

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

531423360 is a wasteful number, since it uses less digits than its factorization.

531423360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 531423360 is about 23052.6215428962. The cubic root of 531423360 is about 809.9910378524.

Adding to 531423360 its reverse (63324135), we get a palindrome (594747495).

The spelling of 531423360 in words is "five hundred thirty-one million, four hundred twenty-three thousand, three hundred sixty".