520057426 has 16 divisors (see below), whose sum is σ = 920286720. Its totient is φ = 215691840.

The previous prime is 520057423. The next prime is 520057427. The reversal of 520057426 is 624750025.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (520057423) 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, 598711 + ... + 599578.

It is an arithmetic number, because the mean of its divisors is an integer number (57517920).

Almost surely, 2^520057426 is an apocalyptic number.

520057426 is a deficient number, since it is larger than the sum of its proper divisors (400229294).

520057426 is a wasteful number, since it uses less digits than its factorization.

520057426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198329.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 520057426 is about 22804.7676155667. The cubic root of 520057426 is about 804.1747524484.

It can be divided in two parts, 5200 and 57426, that added together give a palindrome (62626).

The spelling of 520057426 in words is "five hundred twenty million, fifty-seven thousand, four hundred twenty-six".