4402140321 has 4 divisors (see below), whose sum is σ = 5869520432. Its totient is φ = 2934760212.

The previous prime is 4402140317. The next prime is 4402140341. The reversal of 4402140321 is 1230412044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4402140321 - 2² = 4402140317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4402140311) by changing a digit.

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, 733690051 + ... + 733690056.

It is an arithmetic number, because the mean of its divisors is an integer number (1467380108).

Almost surely, 2^4402140321 is an apocalyptic number.

It is an amenable number.

4402140321 is a deficient number, since it is larger than the sum of its proper divisors (1467380111).

4402140321 is a wasteful number, since it uses less digits than its factorization.

4402140321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467380110.

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

The square root of 4402140321 is about 66348.6271221945. The cubic root of 4402140321 is about 1638.9081966949.

Adding to 4402140321 its reverse (1230412044), we get a palindrome (5632552365).

The spelling of 4402140321 in words is "four billion, four hundred two million, one hundred forty thousand, three hundred twenty-one".