4140240321 has 8 divisors (see below), whose sum is σ = 6308937664. Its totient is φ = 2365851600.

The previous prime is 4140240317. The next prime is 4140240323. The reversal of 4140240321 is 1230420414.

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

It is not a de Polignac number, because 4140240321 - 2² = 4140240317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 197154301 = 4140240321 / (4 + 1 + 4 + 0 + 2 + 4 + 0 + 3 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4140240323) 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, 98577130 + ... + 98577171.

It is an arithmetic number, because the mean of its divisors is an integer number (788617208).

Almost surely, 2^4140240321 is an apocalyptic number.

It is an amenable number.

4140240321 is a deficient number, since it is larger than the sum of its proper divisors (2168697343).

4140240321 is a wasteful number, since it uses less digits than its factorization.

4140240321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197154311.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4140240321 is about 64344.6992455478. The cubic root of 4140240321 is about 1605.7398427191.

Adding to 4140240321 its reverse (1230420414), we get a palindrome (5370660735).

The spelling of 4140240321 in words is "four billion, one hundred forty million, two hundred forty thousand, three hundred twenty-one".