44272144 has 20 divisors (see below), whose sum is σ = 98031424. Its totient is φ = 18973728.

The previous prime is 44272103. The next prime is 44272159. The reversal of 44272144 is 44127244.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197532 + ... + 197755.

Almost surely, 2^44272144 is an apocalyptic number.

It is an amenable number.

44272144 is an abundant number, since it is smaller than the sum of its proper divisors (53759280).

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

44272144 is a wasteful number, since it uses less digits than its factorization.

44272144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395302 (or 395296 counting only the distinct ones).

The product of its digits is 7168, while the sum is 28.

The square root of 44272144 is about 6653.7315846072. The cubic root of 44272144 is about 353.7611889064.

Adding to 44272144 its reverse (44127244), we get a palindrome (88399388).

The spelling of 44272144 in words is "forty-four million, two hundred seventy-two thousand, one hundred forty-four".