4042403140321 has 24 divisors (see below), whose sum is σ = 5003830253760. Its totient is φ = 3197599644096.

The previous prime is 4042403140283. The next prime is 4042403140337. The reversal of 4042403140321 is 1230413042404.

It is not a de Polignac number, because 4042403140321 - 2⁹ = 4042403139809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4042403140321.

It is not an unprimeable number, because it can be changed into a prime (4042403140381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4424590 + ... + 5259448.

It is an arithmetic number, because the mean of its divisors is an integer number (208492927240).

Almost surely, 2^{4042403140321} is an apocalyptic number.

It is an amenable number.

4042403140321 is a deficient number, since it is larger than the sum of its proper divisors (961427113439).

4042403140321 is a wasteful number, since it uses less digits than its factorization.

4042403140321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838985 (or 838972 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4042403140321 its reverse (1230413042404), we get a palindrome (5272816182725).

The spelling of 4042403140321 in words is "four trillion, forty-two billion, four hundred three million, one hundred forty thousand, three hundred twenty-one".