3520405350 has 144 divisors (see below), whose sum is σ = 11792102400. Its totient is φ = 731505600.

The previous prime is 3520405349. The next prime is 3520405387. The reversal of 3520405350 is 535040253.

3520405350 is a `hidden beast` number, since 3 + 520 + 40 + 53 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16150 + ... + 85449.

It is an arithmetic number, because the mean of its divisors is an integer number (81889600).

Almost surely, 2^3520405350 is an apocalyptic number.

3520405350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3520405350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5896051200).

3520405350 is an abundant number, since it is smaller than the sum of its proper divisors (8271697050).

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

3520405350 is a wasteful number, since it uses less digits than its factorization.

3520405350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101635 (or 101627 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 3520405350 is about 59333.0038848532. The cubic root of 3520405350 is about 1521.2393732292.

The spelling of 3520405350 in words is "three billion, five hundred twenty million, four hundred five thousand, three hundred fifty".