44243472 has 120 divisors (see below), whose sum is σ = 143282496. Its totient is φ = 11660544.

The previous prime is 44243461. The next prime is 44243491. The reversal of 44243472 is 27434244.

It is a happy number.

It is a super-2 number, since 2×44243472² = 3914969629229568, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 29853 + ... + 31299.

Almost surely, 2^44243472 is an apocalyptic number.

44243472 is a gapful number since it is divisible by the number (42) 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 44243472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71641248).

44243472 is an abundant number, since it is smaller than the sum of its proper divisors (99039024).

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

44243472 is a wasteful number, since it uses less digits than its factorization.

44243472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1472 counting only the distinct ones).

The product of its digits is 21504, while the sum is 30.

The square root of 44243472 is about 6651.5766551999. The cubic root of 44243472 is about 353.6848035443.

The spelling of 44243472 in words is "forty-four million, two hundred forty-three thousand, four hundred seventy-two".