442740819283 has 16 divisors (see below), whose sum is σ = 512292600000. Its totient is φ = 374775109632.

The previous prime is 442740819259. The next prime is 442740819317. The reversal of 442740819283 is 382918047244.

It is not a de Polignac number, because 442740819283 - 2³³ = 434150884691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442740819283.

It is not an unprimeable number, because it can be changed into a prime (442740819253) 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 15 ways as a sum of consecutive naturals, for example, 87843 + ... + 945091.

It is an arithmetic number, because the mean of its divisors is an integer number (32018287500).

Almost surely, 2^442740819283 is an apocalyptic number.

442740819283 is a deficient number, since it is larger than the sum of its proper divisors (69551780717).

442740819283 is an equidigital number, since it uses as much as digits as its factorization.

442740819283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858174.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 442740819283 in words is "four hundred forty-two billion, seven hundred forty million, eight hundred nineteen thousand, two hundred eighty-three".