3240300021 has 16 divisors (see below), whose sum is σ = 4948760064. Its totient is φ = 1847415024.

The previous prime is 3240299989. The next prime is 3240300031. The reversal of 3240300021 is 1200030423.

It is not a de Polignac number, because 3240300021 - 2⁵ = 3240299989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240300031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164851 + ... + 183456.

It is an arithmetic number, because the mean of its divisors is an integer number (309297504).

Almost surely, 2^3240300021 is an apocalyptic number.

It is an amenable number.

3240300021 is a deficient number, since it is larger than the sum of its proper divisors (1708460043).

3240300021 is a wasteful number, since it uses less digits than its factorization.

3240300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348760.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3240300021 is about 56923.6332378741. The cubic root of 3240300021 is about 1479.7729169795.

Adding to 3240300021 its reverse (1200030423), we get a palindrome (4440330444).

The spelling of 3240300021 in words is "three billion, two hundred forty million, three hundred thousand, twenty-one".