3243445340 has 12 divisors (see below), whose sum is σ = 6811235256. Its totient is φ = 1297378128.

The previous prime is 3243445333. The next prime is 3243445397. The reversal of 3243445340 is 435443423.

It is a junction number, because it is equal to n+sod(n) for n = 3243445297 and 3243445306.

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, 81086114 + ... + 81086153.

It is an arithmetic number, because the mean of its divisors is an integer number (567602938).

Almost surely, 2^3243445340 is an apocalyptic number.

It is an amenable number.

3243445340 is an abundant number, since it is smaller than the sum of its proper divisors (3567789916).

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

3243445340 is a wasteful number, since it uses less digits than its factorization.

3243445340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162172276 (or 162172274 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 32.

The square root of 3243445340 is about 56951.2540687209. The cubic root of 3243445340 is about 1480.2515612076.

Adding to 3243445340 its reverse (435443423), we get a palindrome (3678888763).

The spelling of 3243445340 in words is "three billion, two hundred forty-three million, four hundred forty-five thousand, three hundred forty".