520267525680 has 160 divisors (see below), whose sum is σ = 1843632000000. Its totient is φ = 118892583936.

The previous prime is 520267525663. The next prime is 520267525697. The reversal of 520267525680 is 86525762025.

It is an interprime number because it is at equal distance from previous prime (520267525663) and next prime (520267525697).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 8367346 + ... + 8429294.

It is an arithmetic number, because the mean of its divisors is an integer number (11522700000).

Almost surely, 2^520267525680 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 520267525680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (921816000000).

520267525680 is an abundant number, since it is smaller than the sum of its proper divisors (1323364474320).

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

520267525680 is a wasteful number, since it uses less digits than its factorization.

520267525680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66971 (or 66965 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 520267525680 in words is "five hundred twenty billion, two hundred sixty-seven million, five hundred twenty-five thousand, six hundred eighty".