4304021321440 has 24 divisors (see below), whose sum is σ = 10168250372280. Its totient is φ = 1721608528512.

The previous prime is 4304021321317. The next prime is 4304021321459. The reversal of 4304021321440 is 441231204034.

It is a junction number, because it is equal to n+sod(n) for n = 4304021321399 and 4304021321408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13450066470 + ... + 13450066789.

It is an arithmetic number, because the mean of its divisors is an integer number (423677098845).

Almost surely, 2^{4304021321440} is an apocalyptic number.

4304021321440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4304021321440 is an abundant number, since it is smaller than the sum of its proper divisors (5864229050840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4304021321440 is a wasteful number, since it uses less digits than its factorization.

4304021321440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26900133274 (or 26900133266 counting only the distinct ones).

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

Adding to 4304021321440 its reverse (441231204034), we get a palindrome (4745252525474).

The spelling of 4304021321440 in words is "four trillion, three hundred four billion, twenty-one million, three hundred twenty-one thousand, four hundred forty".