350320520 has 64 divisors (see below), whose sum is σ = 868501440. Its totient is φ = 126112000.

The previous prime is 350320519. The next prime is 350320541. The reversal of 350320520 is 25023053.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 350320492 and 350320501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40499 + ... + 48381.

It is an arithmetic number, because the mean of its divisors is an integer number (13570335).

Almost surely, 2^350320520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 350320520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434250720).

350320520 is an abundant number, since it is smaller than the sum of its proper divisors (518180920).

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

350320520 is a wasteful number, since it uses less digits than its factorization.

350320520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8006 (or 8002 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 350320520 is about 18716.8512309095. The cubic root of 350320520 is about 704.9449313994.

Adding to 350320520 its reverse (25023053), we get a palindrome (375343573).

The spelling of 350320520 in words is "three hundred fifty million, three hundred twenty thousand, five hundred twenty".