520577301436140 has 48 divisors (see below), whose sum is σ = 1569740785871328. Its totient is φ = 128142104968704.

The previous prime is 520577301436081. The next prime is 520577301436147. The reversal of 520577301436140 is 41634103775025.

It is a self number, because there is not a number n which added to its sum of digits gives 520577301436140.

It is not an unprimeable number, because it can be changed into a prime (520577301436147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333703397577 + ... + 333703399136.

It is an arithmetic number, because the mean of its divisors is an integer number (32702933038986).

Almost surely, 2^{520577301436140} is an apocalyptic number.

It is an amenable number.

520577301436140 is an abundant number, since it is smaller than the sum of its proper divisors (1049163484435188).

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

520577301436140 is a wasteful number, since it uses less digits than its factorization.

520577301436140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667406796738 (or 667406796736 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 520577301436140 in words is "five hundred twenty trillion, five hundred seventy-seven billion, three hundred one million, four hundred thirty-six thousand, one hundred forty".