3545200520 has 16 divisors (see below), whose sum is σ = 7976701260. Its totient is φ = 1418080192.

The previous prime is 3545200511. The next prime is 3545200583. The reversal of 3545200520 is 250025453.

It can be written as a sum of positive squares in 2 ways, for example, as 3082692484 + 462508036 = 55522^2 + 21506^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3545200520.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44314967 + ... + 44315046.

Almost surely, 2^3545200520 is an apocalyptic number.

It is an amenable number.

3545200520 is an abundant number, since it is smaller than the sum of its proper divisors (4431500740).

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

3545200520 is a wasteful number, since it uses less digits than its factorization.

3545200520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88630024 (or 88630020 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 3545200520 is about 59541.5864753367. The cubic root of 3545200520 is about 1524.8025214144.

Adding to 3545200520 its reverse (250025453), we get a palindrome (3795225973).

The spelling of 3545200520 in words is "three billion, five hundred forty-five million, two hundred thousand, five hundred twenty".