6140024321 has 4 divisors (see below), whose sum is σ = 6141773652. Its totient is φ = 6138274992.

The previous prime is 6140024279. The next prime is 6140024327. The reversal of 6140024321 is 1234200416.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5640010000 + 500014321 = 75100^2 + 22361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6140024321 is a prime.

It is a super-2 number, since 2×6140024321² = 75399797324943022082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6140024327) 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 3 ways as a sum of consecutive naturals, for example, 869390 + ... + 876423.

It is an arithmetic number, because the mean of its divisors is an integer number (1535443413).

Almost surely, 2^6140024321 is an apocalyptic number.

It is an amenable number.

6140024321 is a deficient number, since it is larger than the sum of its proper divisors (1749331).

6140024321 is a wasteful number, since it uses less digits than its factorization.

6140024321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749330.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 6140024321 is about 78358.3072877407. The cubic root of 6140024321 is about 1831.1476493391.

Adding to 6140024321 its reverse (1234200416), we get a palindrome (7374224737).

The spelling of 6140024321 in words is "six billion, one hundred forty million, twenty-four thousand, three hundred twenty-one".