424400042242 has 8 divisors (see below), whose sum is σ = 694472796432. Its totient is φ = 192909110100.

The previous prime is 424400042237. The next prime is 424400042279. The reversal of 424400042242 is 242240004424.

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

It is a super-2 number, since 2×424400042242² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 424400042242.

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, 9645455484 + ... + 9645455527.

It is an arithmetic number, because the mean of its divisors is an integer number (86809099554).

Almost surely, 2^424400042242 is an apocalyptic number.

424400042242 is a deficient number, since it is larger than the sum of its proper divisors (270072754190).

424400042242 is a wasteful number, since it uses less digits than its factorization.

424400042242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19290911024.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 424400042242 its reverse (242240004424), we get a palindrome (666640046666).

The spelling of 424400042242 in words is "four hundred twenty-four billion, four hundred million, forty-two thousand, two hundred forty-two".