3240140342 has 8 divisors (see below), whose sum is σ = 4881621816. Its totient is φ = 1612933072.

The previous prime is 3240140339. The next prime is 3240140353. The reversal of 3240140342 is 2430410423.

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

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, 3567983 + ... + 3568890.

It is an arithmetic number, because the mean of its divisors is an integer number (610202727).

Almost surely, 2^3240140342 is an apocalyptic number.

3240140342 is a deficient number, since it is larger than the sum of its proper divisors (1641481474).

3240140342 is a wasteful number, since it uses less digits than its factorization.

3240140342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137102.

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

The square root of 3240140342 is about 56922.2306484909. The cubic root of 3240140342 is about 1479.7486092981.

Adding to 3240140342 its reverse (2430410423), we get a palindrome (5670550765).

The spelling of 3240140342 in words is "three billion, two hundred forty million, one hundred forty thousand, three hundred forty-two".