520464511216 has 240 divisors, whose sum is σ = 1157544698112. Its totient is φ = 226149580800.

The previous prime is 520464511199. The next prime is 520464511223. The reversal of 520464511216 is 612115464025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1572400171 + ... + 1572400501.

Almost surely, 2^520464511216 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 520464511216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578772349056).

520464511216 is an abundant number, since it is smaller than the sum of its proper divisors (637080186896).

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

520464511216 is a wasteful number, since it uses less digits than its factorization.

520464511216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 520464511216 in words is "five hundred twenty billion, four hundred sixty-four million, five hundred eleven thousand, two hundred sixteen".