4421205144 has 24 divisors (see below), whose sum is σ = 11974097460. Its totient is φ = 1473735024.

The previous prime is 4421205143. The next prime is 4421205149. The reversal of 4421205144 is 4415021244.

4421205144 is a `hidden beast` number, since 442 + 1 + 205 + 14 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421205143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30702742 + ... + 30702885.

Almost surely, 2^4421205144 is an apocalyptic number.

It is an amenable number.

4421205144 is an abundant number, since it is smaller than the sum of its proper divisors (7552892316).

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

4421205144 is a wasteful number, since it uses less digits than its factorization.

4421205144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61405639 (or 61405632 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4421205144 is about 66492.1434757521. The cubic root of 4421205144 is about 1641.2707214780.

Adding to 4421205144 its reverse (4415021244), we get a palindrome (8836226388).

The spelling of 4421205144 in words is "four billion, four hundred twenty-one million, two hundred five thousand, one hundred forty-four".