400004142320222 has 16 divisors (see below), whose sum is σ = 656261246564352. Its totient is φ = 181345338669720.

The previous prime is 400004142320221. The next prime is 400004142320249. The reversal of 400004142320222 is 222023241400004.

It is a junction number, because it is equal to n+sod(n) for n = 400004142320191 and 400004142320200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400004142320221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23736292448 + ... + 23736309299.

It is an arithmetic number, because the mean of its divisors is an integer number (41016327910272).

Almost surely, 2^{400004142320222} is an apocalyptic number.

400004142320222 is a deficient number, since it is larger than the sum of its proper divisors (256257104244130).

400004142320222 is a wasteful number, since it uses less digits than its factorization.

400004142320222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47472602143.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 400004142320222 its reverse (222023241400004), we get a palindrome (622027383720226).

The spelling of 400004142320222 in words is "four hundred trillion, four billion, one hundred forty-two million, three hundred twenty thousand, two hundred twenty-two".