442543034455 has 4 divisors (see below), whose sum is σ = 531051641352. Its totient is φ = 354034427560.

The previous prime is 442543034449. The next prime is 442543034471. The reversal of 442543034455 is 554430345244.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 442543034455 - 2²¹ = 442540937303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44254303441 + ... + 44254303450.

It is an arithmetic number, because the mean of its divisors is an integer number (132762910338).

Almost surely, 2^442543034455 is an apocalyptic number.

442543034455 is a deficient number, since it is larger than the sum of its proper divisors (88508606897).

442543034455 is an equidigital number, since it uses as much as digits as its factorization.

442543034455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88508606896.

The product of its (nonzero) digits is 2304000, while the sum is 43.

Adding to 442543034455 its reverse (554430345244), we get a palindrome (996973379699).

The spelling of 442543034455 in words is "four hundred forty-two billion, five hundred forty-three million, thirty-four thousand, four hundred fifty-five".