4140402321 has 12 divisors (see below), whose sum is σ = 6068028176. Its totient is φ = 2509334520.

The previous prime is 4140402317. The next prime is 4140402323. The reversal of 4140402321 is 1232040414.

4140402321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4140402321 - 2² = 4140402317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4140402323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5702671 + ... + 5703396.

Almost surely, 2^4140402321 is an apocalyptic number.

It is an amenable number.

4140402321 is a deficient number, since it is larger than the sum of its proper divisors (1927625855).

4140402321 is a wasteful number, since it uses less digits than its factorization.

4140402321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11406092 (or 11406081 counting only the distinct ones).

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

The square root of 4140402321 is about 64345.9580781886. The cubic root of 4140402321 is about 1605.7607856630.

Adding to 4140402321 its reverse (1232040414), we get a palindrome (5372442735).

The spelling of 4140402321 in words is "four billion, one hundred forty million, four hundred two thousand, three hundred twenty-one".