3520500000 has 168 divisors, whose sum is σ = 11556414576. Its totient is φ = 938400000.

The previous prime is 3520499977. The next prime is 3520500007. The reversal of 3520500000 is 50253.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (3520500007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1498827 + ... + 1501173.

It is an arithmetic number, because the mean of its divisors is an integer number (68788182).

Almost surely, 2^3520500000 is an apocalyptic number.

3520500000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3520500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5778207288).

3520500000 is an abundant number, since it is smaller than the sum of its proper divisors (8035914576).

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

3520500000 is an frugal number, since it uses more digits than its factorization.

3520500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 3520500000 is about 59333.8014962803. The cubic root of 3520500000 is about 1521.2530065093.

Adding to 3520500000 its reverse (50253), we get a palindrome (3520550253).

The spelling of 3520500000 in words is "three billion, five hundred twenty million, five hundred thousand".