520128044 has 12 divisors (see below), whose sum is σ = 939586368. Its totient is φ = 251674800.

The previous prime is 520128041. The next prime is 520128047. The reversal of 520128044 is 440821025.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (520128041) and next prime (520128047).

It is not an unprimeable number, because it can be changed into a prime (520128041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2097167 + ... + 2097414.

It is an arithmetic number, because the mean of its divisors is an integer number (78298864).

Almost surely, 2^520128044 is an apocalyptic number.

It is an amenable number.

520128044 is a deficient number, since it is larger than the sum of its proper divisors (419458324).

520128044 is a wasteful number, since it uses less digits than its factorization.

520128044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194616 (or 4194614 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 520128044 is about 22806.3158795979. The cubic root of 520128044 is about 804.2111501227.

Adding to 520128044 its reverse (440821025), we get a palindrome (960949069).

The spelling of 520128044 in words is "five hundred twenty million, one hundred twenty-eight thousand, forty-four".