3505346520 has 128 divisors (see below), whose sum is σ = 11365099200. Its totient is φ = 859797504.

The previous prime is 3505346513. The next prime is 3505346531. The reversal of 3505346520 is 256435053.

It is a super-2 number, since 2×3505346520² = 24574908450552220800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 453246 + ... + 460914.

Almost surely, 2^3505346520 is an apocalyptic number.

3505346520 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 3505346520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5682549600).

3505346520 is an abundant number, since it is smaller than the sum of its proper divisors (7859752680).

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

3505346520 is a wasteful number, since it uses less digits than its factorization.

3505346520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7989 (or 7985 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 3505346520 is about 59205.9669290182. The cubic root of 3505346520 is about 1519.0671965972.

The spelling of 3505346520 in words is "three billion, five hundred five million, three hundred forty-six thousand, five hundred twenty".