520716294 has 48 divisors (see below), whose sum is σ = 1301943552. Its totient is φ = 147327984.

The previous prime is 520716293. The next prime is 520716347. The reversal of 520716294 is 492617025.

520716294 is a `hidden beast` number, since 5 + 20 + 7 + 1 + 629 + 4 = 666.

It is a super-2 number, since 2×520716294² = 542290917674188872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520716293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7084 + ... + 33039.

It is an arithmetic number, because the mean of its divisors is an integer number (27123824).

Almost surely, 2^520716294 is an apocalyptic number.

520716294 is an abundant number, since it is smaller than the sum of its proper divisors (781227258).

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

520716294 is a wasteful number, since it uses less digits than its factorization.

520716294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40241 (or 40238 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 520716294 is about 22819.2088819924. The cubic root of 520716294 is about 804.5142158651.

The spelling of 520716294 in words is "five hundred twenty million, seven hundred sixteen thousand, two hundred ninety-four".