3505205000 has 160 divisors (see below), whose sum is σ = 9062349120. Its totient is φ = 1260000000.

The previous prime is 3505204981. The next prime is 3505205003. The reversal of 3505205000 is 5025053.

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

It is not an unprimeable number, because it can be changed into a prime (3505205003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5554685 + ... + 5555315.

It is an arithmetic number, because the mean of its divisors is an integer number (56639682).

Almost surely, 2^3505205000 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 3505205000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4531174560).

3505205000 is an abundant number, since it is smaller than the sum of its proper divisors (5557144120).

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

3505205000 is a wasteful number, since it uses less digits than its factorization.

3505205000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 3505205000 is about 59204.7717671473. The cubic root of 3505205000 is about 1519.0467534178.

The spelling of 3505205000 in words is "three billion, five hundred five million, two hundred five thousand".