520310432 has 48 divisors (see below), whose sum is σ = 1098437760. Its totient is φ = 241732608.

The previous prime is 520310423. The next prime is 520310443. The reversal of 520310432 is 234013025.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 36923 + ... + 49029.

It is an arithmetic number, because the mean of its divisors is an integer number (22884120).

Almost surely, 2^520310432 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 520310432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549218880).

520310432 is an abundant number, since it is smaller than the sum of its proper divisors (578127328).

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

520310432 is a wasteful number, since it uses less digits than its factorization.

520310432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12213 (or 12205 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 520310432 is about 22810.3141582925. The cubic root of 520310432 is about 804.3051406464.

Adding to 520310432 its reverse (234013025), we get a palindrome (754323457).

The spelling of 520310432 in words is "five hundred twenty million, three hundred ten thousand, four hundred thirty-two".