520344032 has 96 divisors (see below), whose sum is σ = 1189077120. Its totient is φ = 222082560.

The previous prime is 520344029. The next prime is 520344067. The reversal of 520344032 is 230443025.

It is a junction number, because it is equal to n+sod(n) for n = 520343989 and 520344007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339107 + ... + 340637.

It is an arithmetic number, because the mean of its divisors is an integer number (12386220).

Almost surely, 2^520344032 is an apocalyptic number.

520344032 is a gapful number since it is divisible by the number (52) 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 520344032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594538560).

520344032 is an abundant number, since it is smaller than the sum of its proper divisors (668733088).

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

520344032 is a wasteful number, since it uses less digits than its factorization.

520344032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 520344032 is about 22811.0506553293. The cubic root of 520344032 is about 804.3224534334.

Adding to 520344032 its reverse (230443025), we get a palindrome (750787057).

It can be divided in two parts, 5203 and 44032, that multiplied together give a square (229098496 = 15136²).

The spelling of 520344032 in words is "five hundred twenty million, three hundred forty-four thousand, thirty-two".