2144234421406 has 64 divisors (see below), whose sum is σ = 4015738529280. Its totient is φ = 834220800000.

The previous prime is 2144234421359. The next prime is 2144234421419. The reversal of 2144234421406 is 6041244324412.

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 31 ways as a sum of consecutive naturals, for example, 518054085 + ... + 518058223.

It is an arithmetic number, because the mean of its divisors is an integer number (62745914520).

Almost surely, 2^{2144234421406} is an apocalyptic number.

2144234421406 is a deficient number, since it is larger than the sum of its proper divisors (1871504107874).

2144234421406 is a wasteful number, since it uses less digits than its factorization.

2144234421406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8161.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 2144234421406 its reverse (6041244324412), we get a palindrome (8185478745818).

The spelling of 2144234421406 in words is "two trillion, one hundred forty-four billion, two hundred thirty-four million, four hundred twenty-one thousand, four hundred six".