2142383430272 has 128 divisors (see below), whose sum is σ = 4695083827200. Its totient is φ = 970466872320.

The previous prime is 2142383430259. The next prime is 2142383430289. The reversal of 2142383430272 is 2720343832412.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4039679 + ... + 4539137.

It is an arithmetic number, because the mean of its divisors is an integer number (36680342400).

Almost surely, 2^{2142383430272} 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 2142383430272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2347541913600).

2142383430272 is an abundant number, since it is smaller than the sum of its proper divisors (2552700396928).

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

2142383430272 is a wasteful number, since it uses less digits than its factorization.

2142383430272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499574 (or 499562 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 41.

The spelling of 2142383430272 in words is "two trillion, one hundred forty-two billion, three hundred eighty-three million, four hundred thirty thousand, two hundred seventy-two".