4421445400 has 48 divisors (see below), whose sum is σ = 10318201200. Its totient is φ = 1761982080.

The previous prime is 4421445317. The next prime is 4421445403. The reversal of 4421445400 is 45441244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421445403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12709 + ... + 94891.

It is an arithmetic number, because the mean of its divisors is an integer number (214962525).

Almost surely, 2^4421445400 is an apocalyptic number.

4421445400 is a gapful number since it is divisible by the number (40) 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 4421445400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5159100600).

4421445400 is an abundant number, since it is smaller than the sum of its proper divisors (5896755800).

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

4421445400 is a wasteful number, since it uses less digits than its factorization.

4421445400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82468 (or 82459 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 4421445400 is about 66493.9501007422. The cubic root of 4421445400 is about 1641.3004507775.

Adding to 4421445400 its reverse (45441244), we get a palindrome (4466886644).

The spelling of 4421445400 in words is "four billion, four hundred twenty-one million, four hundred forty-five thousand, four hundred".