4020444404443 has 8 divisors (see below), whose sum is σ = 4098062099600. Its totient is φ = 3943204411680.

The previous prime is 4020444404419. The next prime is 4020444404453. The reversal of 4020444404443 is 3444044440204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4020444404443 - 2³⁷ = 3883005450971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020444404413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94404105 + ... + 94446682.

It is an arithmetic number, because the mean of its divisors is an integer number (512257762450).

Almost surely, 2^{4020444404443} is an apocalyptic number.

4020444404443 is a deficient number, since it is larger than the sum of its proper divisors (77617695157).

4020444404443 is a wasteful number, since it uses less digits than its factorization.

4020444404443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188851197.

The product of its (nonzero) digits is 393216, while the sum is 37.

Adding to 4020444404443 its reverse (3444044440204), we get a palindrome (7464488844647).

The spelling of 4020444404443 in words is "four trillion, twenty billion, four hundred forty-four million, four hundred four thousand, four hundred forty-three".