4404250320421 has 4 divisors (see below), whose sum is σ = 5033428937632. Its totient is φ = 3775071703212.

The previous prime is 4404250320389. The next prime is 4404250320439. The reversal of 4404250320421 is 1240230524044.

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 a cyclic number.

It is not a de Polignac number, because 4404250320421 - 2⁵ = 4404250320389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4404250324421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314589308595 + ... + 314589308608.

It is an arithmetic number, because the mean of its divisors is an integer number (1258357234408).

Almost surely, 2^{4404250320421} is an apocalyptic number.

It is an amenable number.

4404250320421 is a deficient number, since it is larger than the sum of its proper divisors (629178617211).

4404250320421 is an equidigital number, since it uses as much as digits as its factorization.

4404250320421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629178617210.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 4404250320421 its reverse (1240230524044), we get a palindrome (5644480844465).

The spelling of 4404250320421 in words is "four trillion, four hundred four billion, two hundred fifty million, three hundred twenty thousand, four hundred twenty-one".