3243536540 has 12 divisors (see below), whose sum is σ = 6811426776. Its totient is φ = 1297414608.

The previous prime is 3243536533. The next prime is 3243536557. The reversal of 3243536540 is 456353423.

It is a self number, because there is not a number n which added to its sum of digits gives 3243536540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81088394 + ... + 81088433.

It is an arithmetic number, because the mean of its divisors is an integer number (567618898).

Almost surely, 2^3243536540 is an apocalyptic number.

It is an amenable number.

3243536540 is an abundant number, since it is smaller than the sum of its proper divisors (3567890236).

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

3243536540 is a wasteful number, since it uses less digits than its factorization.

3243536540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162176836 (or 162176834 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

The square root of 3243536540 is about 56952.0547478315. The cubic root of 3243536540 is about 1480.2654351043.

Adding to 3243536540 its reverse (456353423), we get a palindrome (3699889963).

The spelling of 3243536540 in words is "three billion, two hundred forty-three million, five hundred thirty-six thousand, five hundred forty".