520052344040 has 32 divisors (see below), whose sum is σ = 1220992462080. Its totient is φ = 198976548672.

The previous prime is 520052344027. The next prime is 520052344061. The reversal of 520052344040 is 40443250025.

It is a junction number, because it is equal to n+sod(n) for n = 520052343994 and 520052344012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282636224 + ... + 282638063.

It is an arithmetic number, because the mean of its divisors is an integer number (38156014440).

Almost surely, 2^520052344040 is an apocalyptic number.

It is an amenable number.

520052344040 is an abundant number, since it is smaller than the sum of its proper divisors (700940118040).

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

520052344040 is a wasteful number, since it uses less digits than its factorization.

520052344040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565274321 (or 565274317 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 520052344040 its reverse (40443250025), we get a palindrome (560495594065).

The spelling of 520052344040 in words is "five hundred twenty billion, fifty-two million, three hundred forty-four thousand, forty".