520104743424 has 240 divisors, whose sum is σ = 1816407635328. Its totient is φ = 139859951616.

The previous prime is 520104743423. The next prime is 520104743453. The reversal of 520104743424 is 424347401025.

520104743424 is a `hidden beast` number, since 520 + 10 + 4 + 74 + 34 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (520104743423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74109 + ... + 1022595.

Almost surely, 2^520104743424 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 520104743424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908203817664).

520104743424 is an abundant number, since it is smaller than the sum of its proper divisors (1296302891904).

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

520104743424 is a wasteful number, since it uses less digits than its factorization.

520104743424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948535 (or 948516 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The spelling of 520104743424 in words is "five hundred twenty billion, one hundred four million, seven hundred forty-three thousand, four hundred twenty-four".