40042000220242 has 16 divisors (see below), whose sum is σ = 60205859497152. Its totient is φ = 19973407064400.

The previous prime is 40042000220227. The next prime is 40042000220249. The reversal of 40042000220242 is 24202200024004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40042000220249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3664509 + ... + 9670192.

It is an arithmetic number, because the mean of its divisors is an integer number (3762866218572).

Almost surely, 2^{40042000220242} is an apocalyptic number.

40042000220242 is a deficient number, since it is larger than the sum of its proper divisors (20163859276910).

40042000220242 is a wasteful number, since it uses less digits than its factorization.

40042000220242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13338273.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40042000220242 its reverse (24202200024004), we get a palindrome (64244200244246).

The spelling of 40042000220242 in words is "forty trillion, forty-two billion, two hundred twenty thousand, two hundred forty-two".