2144210415544 has 16 divisors (see below), whose sum is σ = 4088536810200. Its totient is φ = 1053933932832.

The previous prime is 2144210415521. The next prime is 2144210415623. The reversal of 2144210415544 is 4455140124412.

It is a super-2 number, since 2×2144210415544² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2271408867 + ... + 2271409810.

Almost surely, 2^{2144210415544} is an apocalyptic number.

It is an amenable number.

2144210415544 is a deficient number, since it is larger than the sum of its proper divisors (1944326394656).

2144210415544 is a wasteful number, since it uses less digits than its factorization.

2144210415544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542818742 (or 4542818738 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 37.

Adding to 2144210415544 its reverse (4455140124412), we get a palindrome (6599350539956).

The spelling of 2144210415544 in words is "two trillion, one hundred forty-four billion, two hundred ten million, four hundred fifteen thousand, five hundred forty-four".