520703044 has 24 divisors (see below), whose sum is σ = 924610680. Its totient is φ = 256548864.

The previous prime is 520703017. The next prime is 520703077. The reversal of 520703044 is 440307025.

It can be written as a sum of positive squares in 4 ways, for example, as 13912900 + 506790144 = 3730^2 + 22512^2 .

It is a super-2 number, since 2×520703044² = 542263320061731872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109092 + ... + 113764.

It is an arithmetic number, because the mean of its divisors is an integer number (38525445).

Almost surely, 2^520703044 is an apocalyptic number.

It is an amenable number.

520703044 is a deficient number, since it is larger than the sum of its proper divisors (403907636).

520703044 is a wasteful number, since it uses less digits than its factorization.

520703044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079 (or 5077 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 520703044 is about 22818.9185545678. The cubic root of 520703044 is about 804.5073919932.

The spelling of 520703044 in words is "five hundred twenty million, seven hundred three thousand, forty-four".