4002131401422 has 64 divisors (see below), whose sum is σ = 10076227559424. Its totient is φ = 1029422262240.

The previous prime is 4002131401399. The next prime is 4002131401453. The reversal of 4002131401422 is 2241041312004.

It is a junction number, because it is equal to n+sod(n) for n = 4002131401392 and 4002131401401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42003978 + ... + 42099149.

It is an arithmetic number, because the mean of its divisors is an integer number (157441055616).

Almost surely, 2^{4002131401422} is an apocalyptic number.

4002131401422 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4002131401422 is an abundant number, since it is smaller than the sum of its proper divisors (6074096158002).

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

4002131401422 is a wasteful number, since it uses less digits than its factorization.

4002131401422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84103253.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 4002131401422 its reverse (2241041312004), we get a palindrome (6243172713426).

The spelling of 4002131401422 in words is "four trillion, two billion, one hundred thirty-one million, four hundred one thousand, four hundred twenty-two".