2144430332555 has 16 divisors (see below), whose sum is σ = 3095718977280. Its totient is φ = 1393073538912.

The previous prime is 2144430332549. The next prime is 2144430332579. The reversal of 2144430332555 is 5552330344412.

It is a cyclic number.

It is not a de Polignac number, because 2144430332555 - 2¹² = 2144430328459 is a prime.

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, 1612352969 + ... + 1612354298.

It is an arithmetic number, because the mean of its divisors is an integer number (193482436080).

Almost surely, 2^{2144430332555} is an apocalyptic number.

2144430332555 is a deficient number, since it is larger than the sum of its proper divisors (951288644725).

2144430332555 is a wasteful number, since it uses less digits than its factorization.

2144430332555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224707298.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 2144430332555 its reverse (5552330344412), we get a palindrome (7696760676967).

The spelling of 2144430332555 in words is "two trillion, one hundred forty-four billion, four hundred thirty million, three hundred thirty-two thousand, five hundred fifty-five".