520942566270 has 128 divisors (see below), whose sum is σ = 1461918431232. Its totient is φ = 116344512000.

The previous prime is 520942566259. The next prime is 520942566323. The reversal of 520942566270 is 72665249025.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1799652 + ... + 2068968.

It is an arithmetic number, because the mean of its divisors is an integer number (11421237744).

Almost surely, 2^520942566270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520942566270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730959215616).

520942566270 is an abundant number, since it is smaller than the sum of its proper divisors (940975864962).

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

520942566270 is a wasteful number, since it uses less digits than its factorization.

520942566270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269546.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 520942566270 in words is "five hundred twenty billion, nine hundred forty-two million, five hundred sixty-six thousand, two hundred seventy".