442165435302444 has 24 divisors (see below), whose sum is σ = 1179107827473408. Its totient is φ = 126332981514960.

The previous prime is 442165435302431. The next prime is 442165435302449. The reversal of 442165435302444 is 444203534561244.

It is not an unprimeable number, because it can be changed into a prime (442165435302449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2631937114812 + ... + 2631937114979.

It is an arithmetic number, because the mean of its divisors is an integer number (49129492811392).

Almost surely, 2^{442165435302444} is an apocalyptic number.

It is an amenable number.

442165435302444 is an abundant number, since it is smaller than the sum of its proper divisors (736942392170964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442165435302444 is a wasteful number, since it uses less digits than its factorization.

442165435302444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263874229805 (or 5263874229803 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 51.

Adding to 442165435302444 its reverse (444203534561244), we get a palindrome (886368969863688).

The spelling of 442165435302444 in words is "four hundred forty-two trillion, one hundred sixty-five billion, four hundred thirty-five million, three hundred two thousand, four hundred forty-four".