44278272 has 80 divisors (see below), whose sum is σ = 131107680. Its totient is φ = 14754816.

The previous prime is 44278271. The next prime is 44278291. The reversal of 44278272 is 27287244.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (44278271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12223 + ... + 15425.

It is an arithmetic number, because the mean of its divisors is an integer number (1638846).

Almost surely, 2^44278272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44278272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65553840).

44278272 is an abundant number, since it is smaller than the sum of its proper divisors (86829408).

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

44278272 is an equidigital number, since it uses as much as digits as its factorization.

44278272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230 (or 3208 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 44278272 is about 6654.1920621515. The cubic root of 44278272 is about 353.7775102946. Note that the first 3 decimals are identical.

The spelling of 44278272 in words is "forty-four million, two hundred seventy-eight thousand, two hundred seventy-two".