520304426 has 16 divisors (see below), whose sum is σ = 785127168. Its totient is φ = 258600000.

The previous prime is 520304387. The next prime is 520304483. The reversal of 520304426 is 624403025.

It is a junction number, because it is equal to n+sod(n) for n = 520304395 and 520304404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432626 + ... + 433826.

It is an arithmetic number, because the mean of its divisors is an integer number (49070448).

Almost surely, 2^520304426 is an apocalyptic number.

520304426 is a deficient number, since it is larger than the sum of its proper divisors (264822742).

520304426 is a wasteful number, since it uses less digits than its factorization.

520304426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 520304426 is about 22810.1825069419. The cubic root of 520304426 is about 804.3020459072.

The spelling of 520304426 in words is "five hundred twenty million, three hundred four thousand, four hundred twenty-six".