520229066784 has 384 divisors, whose sum is σ = 1617573888000. Its totient is φ = 143317278720.

The previous prime is 520229066767. The next prime is 520229066789. The reversal of 520229066784 is 487660922025.

It is a happy number.

It is a super-3 number, since 3×520229066784³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (520229066789) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1310400474 + ... + 1310400870.

It is an arithmetic number, because the mean of its divisors is an integer number (4212432000).

Almost surely, 2^520229066784 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 520229066784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808786944000).

520229066784 is an abundant number, since it is smaller than the sum of its proper divisors (1097344821216).

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

520229066784 is a wasteful number, since it uses less digits than its factorization.

520229066784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 520229066784 in words is "five hundred twenty billion, two hundred twenty-nine million, sixty-six thousand, seven hundred eighty-four".