42245351242 has 8 divisors (see below), whose sum is σ = 63756788256. Its totient is φ = 20993088492.

The previous prime is 42245351231. The next prime is 42245351257. The reversal of 42245351242 is 24215354224.

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 = 42245351198 and 42245351207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64793158 + ... + 64793809.

It is an arithmetic number, because the mean of its divisors is an integer number (7969598532).

Almost surely, 2^42245351242 is an apocalyptic number.

42245351242 is a deficient number, since it is larger than the sum of its proper divisors (21511437014).

42245351242 is a wasteful number, since it uses less digits than its factorization.

42245351242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129587132.

The product of its digits is 76800, while the sum is 34.

The spelling of 42245351242 in words is "forty-two billion, two hundred forty-five million, three hundred fifty-one thousand, two hundred forty-two".