520042146 has 16 divisors (see below), whose sum is σ = 1120090944. Its totient is φ = 160012944.

The previous prime is 520042139. The next prime is 520042147. The reversal of 520042146 is 641240025.

520042146 = 2050² + 2051² + ... + 2166².

It is not an unprimeable number, because it can be changed into a prime (520042147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3333526 + ... + 3333681.

It is an arithmetic number, because the mean of its divisors is an integer number (70005684).

Almost surely, 2^520042146 is an apocalyptic number.

520042146 is an abundant number, since it is smaller than the sum of its proper divisors (600048798).

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

520042146 is a wasteful number, since it uses less digits than its factorization.

520042146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667225.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 520042146 is about 22804.4325954407. The cubic root of 520042146 is about 804.1668764524.

The spelling of 520042146 in words is "five hundred twenty million, forty-two thousand, one hundred forty-six".