44144140 has 24 divisors (see below), whose sum is σ = 93385152. Its totient is φ = 17527680.

The previous prime is 44144083. The next prime is 44144141. The reversal of 44144140 is 4144144.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (44144141) 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, 5316 + ... + 10795.

It is an arithmetic number, because the mean of its divisors is an integer number (3891048).

Almost surely, 2^44144140 is an apocalyptic number.

It is an amenable number.

44144140 is an abundant number, since it is smaller than the sum of its proper divisors (49241012).

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

44144140 is a wasteful number, since it uses less digits than its factorization.

44144140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16257 (or 16255 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 44144140 is about 6644.1056584013. The cubic root of 44144140 is about 353.4199166793.

Adding to 44144140 its reverse (4144144), we get a palindrome (48288284).

The spelling of 44144140 in words is "forty-four million, one hundred forty-four thousand, one hundred forty".