520881794072 has 16 divisors (see below), whose sum is σ = 977276650560. Its totient is φ = 260274687264.

The previous prime is 520881794071. The next prime is 520881794101. The reversal of 520881794072 is 270497188025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520881794071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20762903 + ... + 20787974.

It is an arithmetic number, because the mean of its divisors is an integer number (61079790660).

Almost surely, 2^520881794072 is an apocalyptic number.

It is an amenable number.

520881794072 is a deficient number, since it is larger than the sum of its proper divisors (456394856488).

520881794072 is a wasteful number, since it uses less digits than its factorization.

520881794072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41552450 (or 41552446 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 520881794072 in words is "five hundred twenty billion, eight hundred eighty-one million, seven hundred ninety-four thousand, seventy-two".