520012008408 has 32 divisors (see below), whose sum is σ = 1300322626560. Its totient is φ = 173298322080.

The previous prime is 520012008391. The next prime is 520012008409. The reversal of 520012008408 is 804800210025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520012008409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2329428 + ... + 2542883.

It is an arithmetic number, because the mean of its divisors is an integer number (40635082080).

Almost surely, 2^520012008408 is an apocalyptic number.

It is an amenable number.

520012008408 is an abundant number, since it is smaller than the sum of its proper divisors (780310618152).

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

520012008408 is a wasteful number, since it uses less digits than its factorization.

520012008408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4876767 (or 4876763 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The spelling of 520012008408 in words is "five hundred twenty billion, twelve million, eight thousand, four hundred eight".