520542416 has 10 divisors (see below), whose sum is σ = 1008550962. Its totient is φ = 260271200.

The previous prime is 520542413. The next prime is 520542457. The reversal of 520542416 is 614245025.

It can be written as a sum of positive squares in only one way, i.e., 374035600 + 146506816 = 19340^2 + 12104^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520542413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16266935 + ... + 16266966.

Almost surely, 2^520542416 is an apocalyptic number.

It is an amenable number.

520542416 is a deficient number, since it is larger than the sum of its proper divisors (488008546).

520542416 is a wasteful number, since it uses less digits than its factorization.

520542416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32533909 (or 32533903 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 520542416 is about 22815.3986596772. The cubic root of 520542416 is about 804.4246578865.

The spelling of 520542416 in words is "five hundred twenty million, five hundred forty-two thousand, four hundred sixteen".