2142402423104 has 112 divisors (see below), whose sum is σ = 4511391129600. Its totient is φ = 1007663431680.

The previous prime is 2142402423103. The next prime is 2142402423157. The reversal of 2142402423104 is 4013242042412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142402423103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79781072 + ... + 79807920.

Almost surely, 2^{2142402423104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2142402423104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2255695564800).

2142402423104 is an abundant number, since it is smaller than the sum of its proper divisors (2368988706496).

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

2142402423104 is a wasteful number, since it uses less digits than its factorization.

2142402423104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28016 (or 28006 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 2142402423104 its reverse (4013242042412), we get a palindrome (6155644465516).

The spelling of 2142402423104 in words is "two trillion, one hundred forty-two billion, four hundred two million, four hundred twenty-three thousand, one hundred four".