3240391008 has 24 divisors (see below), whose sum is σ = 8506026648. Its totient is φ = 1080130304.

The previous prime is 3240390973. The next prime is 3240391079. The reversal of 3240391008 is 8001930423.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16876941 + ... + 16877132.

It is an arithmetic number, because the mean of its divisors is an integer number (354417777).

Almost surely, 2^3240391008 is an apocalyptic number.

It is an amenable number.

3240391008 is an abundant number, since it is smaller than the sum of its proper divisors (5265635640).

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

3240391008 is a wasteful number, since it uses less digits than its factorization.

3240391008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33754086 (or 33754078 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3240391008 is about 56924.4324345882. The cubic root of 3240391008 is about 1479.7867674293.

The spelling of 3240391008 in words is "three billion, two hundred forty million, three hundred ninety-one thousand, eight".