442422303442 has 32 divisors (see below), whose sum is σ = 784688083200. Its totient is φ = 183048710208.

The previous prime is 442422303439. The next prime is 442422303473. The reversal of 442422303442 is 244303224244.

It is a junction number, because it is equal to n+sod(n) for n = 442422303398 and 442422303407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3454284 + ... + 3580072.

It is an arithmetic number, because the mean of its divisors is an integer number (24521502600).

Almost surely, 2^442422303442 is an apocalyptic number.

442422303442 is a deficient number, since it is larger than the sum of its proper divisors (342265779758).

442422303442 is a wasteful number, since it uses less digits than its factorization.

442422303442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134490.

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 442422303442 its reverse (244303224244), we get a palindrome (686725527686).

The spelling of 442422303442 in words is "four hundred forty-two billion, four hundred twenty-two million, three hundred three thousand, four hundred forty-two".