44280000 has 280 divisors, whose sum is σ = 166634160. Its totient is φ = 11520000.

The previous prime is 44279999. The next prime is 44280007. The reversal of 44280000 is 8244.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (44280007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1079980 + ... + 1080020.

It is an arithmetic number, because the mean of its divisors is an integer number (595122).

Almost surely, 2^44280000 is an apocalyptic number.

44280000 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 44280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83317080).

44280000 is an abundant number, since it is smaller than the sum of its proper divisors (122354160).

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

44280000 is an equidigital number, since it uses as much as digits as its factorization.

44280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 44280000 is about 6654.3219038457. The cubic root of 44280000 is about 353.7821123982.

Adding to 44280000 its reverse (8244), we get a palindrome (44288244).

The spelling of 44280000 in words is "forty-four million, two hundred eighty thousand".