4441421020 has 48 divisors (see below), whose sum is σ = 9889054560. Its totient is φ = 1669791744.

The previous prime is 4441421009. The next prime is 4441421029. The reversal of 4441421020 is 201241444.

It is a junction number, because it is equal to n+sod(n) for n = 4441420982 and 4441421000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4441421029) 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, 252967 + ... + 269953.

It is an arithmetic number, because the mean of its divisors is an integer number (206021970).

Almost surely, 2^4441421020 is an apocalyptic number.

It is an amenable number.

4441421020 is an abundant number, since it is smaller than the sum of its proper divisors (5447633540).

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

4441421020 is a wasteful number, since it uses less digits than its factorization.

4441421020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17782 (or 17780 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 4441421020 is about 66643.9871256215. The cubic root of 4441421020 is about 1643.7684780219.

Adding to 4441421020 its reverse (201241444), we get a palindrome (4642662464).

The spelling of 4441421020 in words is "four billion, four hundred forty-one million, four hundred twenty-one thousand, twenty".