520493440896 has 512 divisors, whose sum is σ = 1826629056000. Its totient is φ = 143827107840.

The previous prime is 520493440891. The next prime is 520493440937. The reversal of 520493440896 is 698044394025.

520493440896 is a `hidden beast` number, since 5 + 20 + 4 + 93 + 440 + 8 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520493440891) 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, 41012920 + ... + 41025608.

It is an arithmetic number, because the mean of its divisors is an integer number (3567634875).

Almost surely, 2^520493440896 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 520493440896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913314528000).

520493440896 is an abundant number, since it is smaller than the sum of its proper divisors (1306135615104).

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

520493440896 is a wasteful number, since it uses less digits than its factorization.

520493440896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12819 (or 12801 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 520493440896 in words is "five hundred twenty billion, four hundred ninety-three million, four hundred forty thousand, eight hundred ninety-six".