524430240 has 96 divisors (see below), whose sum is σ = 1662716160. Its totient is φ = 138937344.

The previous prime is 524430197. The next prime is 524430241. The reversal of 524430240 is 42034425.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 524430240.

It is not an unprimeable number, because it can be changed into a prime (524430241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 71881 + ... + 78839.

It is an arithmetic number, because the mean of its divisors is an integer number (17319960).

Almost surely, 2^524430240 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 524430240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831358080).

524430240 is an abundant number, since it is smaller than the sum of its proper divisors (1138285920).

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

524430240 is a wasteful number, since it uses less digits than its factorization.

524430240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7134 (or 7126 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 524430240 is about 22900.4419171334. The cubic root of 524430240 is about 806.4223865510.

Adding to 524430240 its reverse (42034425), we get a palindrome (566464665).

The spelling of 524430240 in words is "five hundred twenty-four million, four hundred thirty thousand, two hundred forty".