442440401340203 has 16 divisors (see below), whose sum is σ = 505787157918144. Its totient is φ = 379128899635200.

The previous prime is 442440401340199. The next prime is 442440401340341. The reversal of 442440401340203 is 302043104044244.

It is a cyclic number.

It is not a de Polignac number, because 442440401340203 - 2² = 442440401340199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442440401345203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636990503 + ... + 637684703.

It is an arithmetic number, because the mean of its divisors is an integer number (31611697369884).

Almost surely, 2^{442440401340203} is an apocalyptic number.

442440401340203 is a deficient number, since it is larger than the sum of its proper divisors (63346756577941).

442440401340203 is a wasteful number, since it uses less digits than its factorization.

442440401340203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719462.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 442440401340203 its reverse (302043104044244), we get a palindrome (744483505384447).

The spelling of 442440401340203 in words is "four hundred forty-two trillion, four hundred forty billion, four hundred one million, three hundred forty thousand, two hundred three".