3240040143 has 8 divisors (see below), whose sum is σ = 4360428288. Its totient is φ = 2139839384.

The previous prime is 3240040123. The next prime is 3240040147. The reversal of 3240040143 is 3410400423.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3240040143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240040147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5046471 + ... + 5047112.

It is an arithmetic number, because the mean of its divisors is an integer number (545053536).

Almost surely, 2^3240040143 is an apocalyptic number.

3240040143 is a deficient number, since it is larger than the sum of its proper divisors (1120388145).

3240040143 is a wasteful number, since it uses less digits than its factorization.

3240040143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10093693.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3240040143 is about 56921.3505022500. The cubic root of 3240040143 is about 1479.7333557552.

Adding to 3240040143 its reverse (3410400423), we get a palindrome (6650440566).

The spelling of 3240040143 in words is "three billion, two hundred forty million, forty thousand, one hundred forty-three".