520240246460 has 48 divisors (see below), whose sum is σ = 1191883714560. Its totient is φ = 189168651840.

The previous prime is 520240246441. The next prime is 520240246481. The reversal of 520240246460 is 64642042025.

It is a self number, because there is not a number n which added to its sum of digits gives 520240246460.

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, 5401001 + ... + 5496479.

It is an arithmetic number, because the mean of its divisors is an integer number (24830910720).

Almost surely, 2^520240246460 is an apocalyptic number.

It is an amenable number.

520240246460 is an abundant number, since it is smaller than the sum of its proper divisors (671643468100).

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

520240246460 is a wasteful number, since it uses less digits than its factorization.

520240246460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120266 (or 120264 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 520240246460 its reverse (64642042025), we get a palindrome (584882288485).

The spelling of 520240246460 in words is "five hundred twenty billion, two hundred forty million, two hundred forty-six thousand, four hundred sixty".