520187044 has 24 divisors (see below), whose sum is σ = 1022978880. Its totient is φ = 229647264.

The previous prime is 520187009. The next prime is 520187053. The reversal of 520187044 is 440781025.

It is a junction number, because it is equal to n+sod(n) for n = 520186997 and 520187015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216274 + ... + 218665.

It is an arithmetic number, because the mean of its divisors is an integer number (42624120).

Almost surely, 2^520187044 is an apocalyptic number.

It is an amenable number.

520187044 is a deficient number, since it is larger than the sum of its proper divisors (502791836).

520187044 is a wasteful number, since it uses less digits than its factorization.

520187044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434979 (or 434977 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 520187044 is about 22807.6093442518. The cubic root of 520187044 is about 804.2415571634.

It can be divided in two parts, 5 and 20187044, that added together give a square (20187049 = 4493²).

The spelling of 520187044 in words is "five hundred twenty million, one hundred eighty-seven thousand, forty-four".