442243212430 has 8 divisors (see below), whose sum is σ = 796037782392. Its totient is φ = 176897284968.

The previous prime is 442243212427. The next prime is 442243212443. The reversal of 442243212430 is 34212342244.

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

It is a super-2 number, since 2×442243212430² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442243212392 and 442243212401.

It is a congruent 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, 22112160612 + ... + 22112160631.

It is an arithmetic number, because the mean of its divisors is an integer number (99504722799).

Almost surely, 2^442243212430 is an apocalyptic number.

442243212430 is a deficient number, since it is larger than the sum of its proper divisors (353794569962).

442243212430 is a wasteful number, since it uses less digits than its factorization.

442243212430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44224321250.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 442243212430 its reverse (34212342244), we get a palindrome (476455554674).

The spelling of 442243212430 in words is "four hundred forty-two billion, two hundred forty-three million, two hundred twelve thousand, four hundred thirty".