40221232242242 has 32 divisors (see below), whose sum is σ = 64882843300800. Its totient is φ = 18643886097408.

The previous prime is 40221232242241. The next prime is 40221232242341. The reversal of 40221232242242 is 24224223212204.

It is a junction number, because it is equal to n+sod(n) for n = 40221232242199 and 40221232242208.

It is not an unprimeable number, because it can be changed into a prime (40221232242241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60974708 + ... + 61630815.

It is an arithmetic number, because the mean of its divisors is an integer number (2027588853150).

Almost surely, 2^{40221232242242} is an apocalyptic number.

40221232242242 is a deficient number, since it is larger than the sum of its proper divisors (24661611058558).

40221232242242 is a wasteful number, since it uses less digits than its factorization.

40221232242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122605730.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 40221232242242 its reverse (24224223212204), we get a palindrome (64445455454446).

The spelling of 40221232242242 in words is "forty trillion, two hundred twenty-one billion, two hundred thirty-two million, two hundred forty-two thousand, two hundred forty-two".