520006144 has 40 divisors (see below), whose sum is σ = 1187432928. Its totient is φ = 222858240.

The previous prime is 520006141. The next prime is 520006153. The reversal of 520006144 is 441600025.

It is not an unprimeable number, because it can be changed into a prime (520006141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68962 + ... + 76129.

Almost surely, 2^520006144 is an apocalyptic number.

It is an amenable number.

520006144 is an abundant number, since it is smaller than the sum of its proper divisors (667426784).

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

520006144 is an equidigital number, since it uses as much as digits as its factorization.

520006144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145116 (or 145100 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 520006144 is about 22803.6432176966. The cubic root of 520006144 is about 804.1483188001.

Adding to 520006144 its reverse (441600025), we get a palindrome (961606169).

The spelling of 520006144 in words is "five hundred twenty million, six thousand, one hundred forty-four".