42000323251242 has 32 divisors (see below), whose sum is σ = 84732800023872. Its totient is φ = 13878611560064.

The previous prime is 42000323251031. The next prime is 42000323251267. The reversal of 42000323251242 is 24215232300024.

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, 65856993 + ... + 66491684.

It is an arithmetic number, because the mean of its divisors is an integer number (2647900000746).

Almost surely, 2^{42000323251242} is an apocalyptic number.

42000323251242 is an abundant number, since it is smaller than the sum of its proper divisors (42732476772630).

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

42000323251242 is a wasteful number, since it uses less digits than its factorization.

42000323251242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132349142.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 42000323251242 its reverse (24215232300024), we get a palindrome (66215555551266).

The spelling of 42000323251242 in words is "forty-two trillion, three hundred twenty-three million, two hundred fifty-one thousand, two hundred forty-two".