44240000 has 160 divisors (see below), whose sum is σ = 127459200. Its totient is φ = 14976000.

The previous prime is 44239997. The next prime is 44240003. The reversal of 44240000 is 4244.

It is an interprime number because it is at equal distance from previous prime (44239997) and next prime (44240003).

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (44240003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 559961 + ... + 560039.

It is an arithmetic number, because the mean of its divisors is an integer number (796620).

Almost surely, 2^44240000 is an apocalyptic number.

44240000 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 44240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63729600).

44240000 is an abundant number, since it is smaller than the sum of its proper divisors (83219200).

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

44240000 is an frugal number, since it uses more digits than its factorization.

44240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 44240000 is about 6651.3156593264. The cubic root of 44240000 is about 353.6755515145.

Adding to 44240000 its reverse (4244), we get a palindrome (44244244).

The spelling of 44240000 in words is "forty-four million, two hundred forty thousand".