520054402212 has 96 divisors (see below), whose sum is σ = 1366892029440. Its totient is φ = 170973972000.

The previous prime is 520054402199. The next prime is 520054402247. The reversal of 520054402212 is 212204450025.

520054402212 is a `hidden beast` number, since 5 + 2 + 0 + 0 + 5 + 440 + 2 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 2524087 + ... + 2722337.

It is an arithmetic number, because the mean of its divisors is an integer number (14238458640).

Almost surely, 2^520054402212 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 520054402212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683446014720).

520054402212 is an abundant number, since it is smaller than the sum of its proper divisors (846837627228).

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

520054402212 is a wasteful number, since it uses less digits than its factorization.

520054402212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198598 (or 198590 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 520054402212 its reverse (212204450025), we get a palindrome (732258852237).

The spelling of 520054402212 in words is "five hundred twenty billion, fifty-four million, four hundred two thousand, two hundred twelve".