442242020442 has 8 divisors (see below), whose sum is σ = 884484040896. Its totient is φ = 147414006812.

The previous prime is 442242020431. The next prime is 442242020453. The reversal of 442242020442 is 244020242244.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (442242020431) and next prime (442242020453).

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

442242020442 is an admirable 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, 36853501698 + ... + 36853501709.

It is an arithmetic number, because the mean of its divisors is an integer number (110560505112).

Almost surely, 2^442242020442 is an apocalyptic number.

442242020442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

442242020442 is a wasteful number, since it uses less digits than its factorization.

442242020442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73707003412.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 442242020442 its reverse (244020242244), we get a palindrome (686262262686).

The spelling of 442242020442 in words is "four hundred forty-two billion, two hundred forty-two million, twenty thousand, four hundred forty-two".