3240520841 has 8 divisors (see below), whose sum is σ = 3462620040. Its totient is φ = 3021919488.

The previous prime is 3240520769. The next prime is 3240520867. The reversal of 3240520841 is 1480250423.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2055715600 + 1184805241 = 45340^2 + 34421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3240520841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3240510841) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 872546 + ... + 876251.

It is an arithmetic number, because the mean of its divisors is an integer number (432827505).

Almost surely, 2^3240520841 is an apocalyptic number.

It is an amenable number.

3240520841 is a deficient number, since it is larger than the sum of its proper divisors (222099199).

3240520841 is a wasteful number, since it uses less digits than its factorization.

3240520841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748923.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 3240520841 is about 56925.5728210090. The cubic root of 3240520841 is about 1479.8065307427.

The spelling of 3240520841 in words is "three billion, two hundred forty million, five hundred twenty thousand, eight hundred forty-one".