442440202442 has 8 divisors (see below), whose sum is σ = 758468918496. Its totient is φ = 189617229612.

The previous prime is 442440202439. The next prime is 442440202447. The reversal of 442440202442 is 244202044244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 442440202399 and 442440202408.

It is not an unprimeable number, because it can be changed into a prime (442440202447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15801435788 + ... + 15801435815.

It is an arithmetic number, because the mean of its divisors is an integer number (94808614812).

Almost surely, 2^442440202442 is an apocalyptic number.

442440202442 is a deficient number, since it is larger than the sum of its proper divisors (316028716054).

442440202442 is a wasteful number, since it uses less digits than its factorization.

442440202442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31602871612.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 442440202442 its reverse (244202044244), we get a palindrome (686642246686).

The spelling of 442440202442 in words is "four hundred forty-two billion, four hundred forty million, two hundred two thousand, four hundred forty-two".