4021402412422 has 16 divisors (see below), whose sum is σ = 6042174155280. Its totient is φ = 2007344611872.

The previous prime is 4021402412359. The next prime is 4021402412437. The reversal of 4021402412422 is 2242142041204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45910404 + ... + 45997912.

It is an arithmetic number, because the mean of its divisors is an integer number (377635884705).

Almost surely, 2^{4021402412422} is an apocalyptic number.

4021402412422 is a deficient number, since it is larger than the sum of its proper divisors (2020771742858).

4021402412422 is a wasteful number, since it uses less digits than its factorization.

4021402412422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125607.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 4021402412422 its reverse (2242142041204), we get a palindrome (6263544453626).

The spelling of 4021402412422 in words is "four trillion, twenty-one billion, four hundred two million, four hundred twelve thousand, four hundred twenty-two".