4434144421 has 16 divisors (see below), whose sum is σ = 5138251776. Its totient is φ = 3748063536.

The previous prime is 4434144409. The next prime is 4434144431. The reversal of 4434144421 is 1244414344.

It is not a de Polignac number, because 4434144421 - 2¹¹ = 4434142373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4434144431) 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, 133530 + ... + 163396.

It is an arithmetic number, because the mean of its divisors is an integer number (321140736).

Almost surely, 2^4434144421 is an apocalyptic number.

It is an amenable number.

4434144421 is a deficient number, since it is larger than the sum of its proper divisors (704107355).

4434144421 is a wasteful number, since it uses less digits than its factorization.

4434144421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30168.

The product of its digits is 24576, while the sum is 31.

The square root of 4434144421 is about 66589.3716819734. The cubic root of 4434144421 is about 1642.8702983564.

Adding to 4434144421 its reverse (1244414344), we get a palindrome (5678558765).

The spelling of 4434144421 in words is "four billion, four hundred thirty-four million, one hundred forty-four thousand, four hundred twenty-one".