4441421424 has 160 divisors (see below), whose sum is σ = 12783181824. Its totient is φ = 1317507840.

The previous prime is 4441421423. The next prime is 4441421431. The reversal of 4441421424 is 4241241444.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 4441421391 and 4441421400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4441421423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7888567 + ... + 7889129.

Almost surely, 2^4441421424 is an apocalyptic number.

4441421424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4441421424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6391590912).

4441421424 is an abundant number, since it is smaller than the sum of its proper divisors (8341760400).

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

4441421424 is a wasteful number, since it uses less digits than its factorization.

4441421424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 869 counting only the distinct ones).

The product of its digits is 16384, while the sum is 30.

The square root of 4441421424 is about 66643.9901566525. The cubic root of 4441421424 is about 1643.7685278620.

Adding to 4441421424 its reverse (4241241444), we get a palindrome (8682662868).

The spelling of 4441421424 in words is "four billion, four hundred forty-one million, four hundred twenty-one thousand, four hundred twenty-four".