44421320000 has 70 divisors (see below), whose sum is σ = 110150535858. Its totient is φ = 17768512000.

The previous prime is 44421319993. The next prime is 44421320039. The reversal of 44421320000 is 2312444.

44421320000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 11358443776 + 33062876224 = 106576^2 + 181832^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 515267 + ... + 595266.

Almost surely, 2^44421320000 is an apocalyptic number.

44421320000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44421320000 is an abundant number, since it is smaller than the sum of its proper divisors (65729215858).

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

44421320000 is an equidigital number, since it uses as much as digits as its factorization.

44421320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110565 (or 1110540 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 44421320000 its reverse (2312444), we get a palindrome (44423632444).

The spelling of 44421320000 in words is "forty-four billion, four hundred twenty-one million, three hundred twenty thousand".