444020020403 has 2 divisors, whose sum is σ = 444020020404. Its totient is φ = 444020020402.

The previous prime is 444020020399. The next prime is 444020020447. The reversal of 444020020403 is 304020020444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444020020403 - 2² = 444020020399 is a prime.

It is not a weakly prime, because it can be changed into another prime (444020020303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222010010201 + 222010010202.

It is an arithmetic number, because the mean of its divisors is an integer number (222010010202).

Almost surely, 2^444020020403 is an apocalyptic number.

444020020403 is a deficient number, since it is larger than the sum of its proper divisors (1).

444020020403 is an equidigital number, since it uses as much as digits as its factorization.

444020020403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 444020020403 its reverse (304020020444), we get a palindrome (748040040847).

The spelling of 444020020403 in words is "four hundred forty-four billion, twenty million, twenty thousand, four hundred three".