3543240520 has 16 divisors (see below), whose sum is σ = 7972291260. Its totient is φ = 1417296192.

The previous prime is 3543240497. The next prime is 3543240523. The reversal of 3543240520 is 250423453.

It can be written as a sum of positive squares in 2 ways, for example, as 3513407076 + 29833444 = 59274^2 + 5462^2 .

It is not an unprimeable number, because it can be changed into a prime (3543240523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44290467 + ... + 44290546.

Almost surely, 2^3543240520 is an apocalyptic number.

It is an amenable number.

3543240520 is an abundant number, since it is smaller than the sum of its proper divisors (4429050740).

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

3543240520 is a wasteful number, since it uses less digits than its factorization.

3543240520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88581024 (or 88581020 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 3543240520 is about 59525.1251153662. The cubic root of 3543240520 is about 1524.5214687766.

Adding to 3543240520 its reverse (250423453), we get a palindrome (3793663973).

The spelling of 3543240520 in words is "three billion, five hundred forty-three million, two hundred forty thousand, five hundred twenty".