520140080052 has 18 divisors (see below), whose sum is σ = 1314798535778. Its totient is φ = 173380026672.

The previous prime is 520140080039. The next prime is 520140080077. The reversal of 520140080052 is 250080041025.

It is a happy number.

520140080052 is a `hidden beast` number, since 5 + 201 + 400 + 8 + 0 + 0 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 309398487696 + 210741592356 = 556236^2 + 459066^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 520140079998 and 520140080025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7224167743 + ... + 7224167814.

Almost surely, 2^520140080052 is an apocalyptic number.

It is an amenable number.

520140080052 is an abundant number, since it is smaller than the sum of its proper divisors (794658455726).

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

520140080052 is a wasteful number, since it uses less digits than its factorization.

520140080052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14448335567 (or 14448335562 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 520140080052 in words is "five hundred twenty billion, one hundred forty million, eighty thousand, fifty-two".