520071755382240 has 192 divisors, whose sum is σ = 1647396261516096. Its totient is φ = 137910080765952.

The previous prime is 520071755382229. The next prime is 520071755382301. The reversal of 520071755382240 is 42283557170025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222749544 + ... + 225072216.

It is an arithmetic number, because the mean of its divisors is an integer number (8580188862063).

Almost surely, 2^{520071755382240} 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 520071755382240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823698130758048).

520071755382240 is an abundant number, since it is smaller than the sum of its proper divisors (1127324506133856).

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

520071755382240 is a wasteful number, since it uses less digits than its factorization.

520071755382240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325301 (or 2325293 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 51.

The spelling of 520071755382240 in words is "five hundred twenty trillion, seventy-one billion, seven hundred fifty-five million, three hundred eighty-two thousand, two hundred forty".