3240423140 has 12 divisors (see below), whose sum is σ = 6804888636. Its totient is φ = 1296169248.

The previous prime is 3240423139. The next prime is 3240423167. The reversal of 3240423140 is 413240423.

It can be written as a sum of positive squares in 2 ways, for example, as 870486016 + 2369937124 = 29504^2 + 48682^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81010559 + ... + 81010598.

It is an arithmetic number, because the mean of its divisors is an integer number (567074053).

Almost surely, 2^3240423140 is an apocalyptic number.

It is an amenable number.

3240423140 is an abundant number, since it is smaller than the sum of its proper divisors (3564465496).

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

3240423140 is a wasteful number, since it uses less digits than its factorization.

3240423140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162021166 (or 162021164 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3240423140 is about 56924.7146677083. The cubic root of 3240423140 is about 1479.7916586447.

Adding to 3240423140 its reverse (413240423), we get a palindrome (3653663563).

The spelling of 3240423140 in words is "three billion, two hundred forty million, four hundred twenty-three thousand, one hundred forty".