2144405244215 has 16 divisors (see below), whose sum is σ = 2771272293888. Its totient is φ = 1583537423616.

The previous prime is 2144405244143. The next prime is 2144405244217. The reversal of 2144405244215 is 5124425044412.

It is a cyclic number.

It is not a de Polignac number, because 2144405244215 - 2⁴⁰ = 1044893616439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144405244217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5084507 + ... + 5490083.

It is an arithmetic number, because the mean of its divisors is an integer number (173204518368).

Almost surely, 2^{2144405244215} is an apocalyptic number.

2144405244215 is a deficient number, since it is larger than the sum of its proper divisors (626867049673).

2144405244215 is a wasteful number, since it uses less digits than its factorization.

2144405244215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486938.

The product of its (nonzero) digits is 204800, while the sum is 38.

The spelling of 2144405244215 in words is "two trillion, one hundred forty-four billion, four hundred five million, two hundred forty-four thousand, two hundred fifteen".