4144224452564 has 18 divisors (see below), whose sum is σ = 8436456921690. Its totient is φ = 1776096193872.

The previous prime is 4144224452521. The next prime is 4144224452579. The reversal of 4144224452564 is 4652544224414.

It can be written as a sum of positive squares in only one way, i.e., 3417536400964 + 726688051600 = 1848658^2 + 852460^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10572000959 + ... + 10572001350.

It is an arithmetic number, because the mean of its divisors is an integer number (468692051205).

Almost surely, 2^{4144224452564} is an apocalyptic number.

It is an amenable number.

4144224452564 is an abundant number, since it is smaller than the sum of its proper divisors (4292232469126).

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

4144224452564 is a wasteful number, since it uses less digits than its factorization.

4144224452564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21144002327 (or 21144002318 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 47.

Adding to 4144224452564 its reverse (4652544224414), we get a palindrome (8796768676978).

The spelling of 4144224452564 in words is "four trillion, one hundred forty-four billion, two hundred twenty-four million, four hundred fifty-two thousand, five hundred sixty-four".