520417253146 has 8 divisors (see below), whose sum is σ = 892143862560. Its totient is φ = 223035965628.

The previous prime is 520417253143. The next prime is 520417253189. The reversal of 520417253146 is 641352714025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 520417253099 and 520417253108.

It is not an unprimeable number, because it can be changed into a prime (520417253141) 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 3 ways as a sum of consecutive naturals, for example, 18586330456 + ... + 18586330483.

It is an arithmetic number, because the mean of its divisors is an integer number (111517982820).

Almost surely, 2^520417253146 is an apocalyptic number.

520417253146 is a deficient number, since it is larger than the sum of its proper divisors (371726609414).

520417253146 is a wasteful number, since it uses less digits than its factorization.

520417253146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37172660948.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 520417253146 in words is "five hundred twenty billion, four hundred seventeen million, two hundred fifty-three thousand, one hundred forty-six".