4401144 has 48 divisors (see below), whose sum is σ = 13005720. Its totient is φ = 1333440.

The previous prime is 4401143. The next prime is 4401191. The reversal of 4401144 is 4411044.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1987 + ... + 3570.

Almost surely, 2^4401144 is an apocalyptic number.

4401144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4401144 is an abundant number, since it is smaller than the sum of its proper divisors (8604576).

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

4401144 is a wasteful number, since it uses less digits than its factorization.

4401144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580 (or 5573 counting only the distinct ones).

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

The square root of 4401144 is about 2097.8903689183. The cubic root of 4401144 is about 163.8784544582.

Adding to 4401144 its reverse (4411044), we get a palindrome (8812188).

The spelling of 4401144 in words is "four million, four hundred one thousand, one hundred forty-four".