44144240 has 80 divisors (see below), whose sum is σ = 124224192. Its totient is φ = 14241792.

The previous prime is 44144227. The next prime is 44144251. The reversal of 44144240 is 4244144.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7202 + ... + 11838.

Almost surely, 2^44144240 is an apocalyptic number.

44144240 is a gapful number since it is divisible by the number (40) 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 44144240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62112096).

44144240 is an abundant number, since it is smaller than the sum of its proper divisors (80079952).

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

44144240 is a wasteful number, since it uses less digits than its factorization.

44144240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4674 (or 4668 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 44144240 is about 6644.1131838643. The cubic root of 44144240 is about 353.4201835472.

Adding to 44144240 its reverse (4244144), we get a palindrome (48388384).

The spelling of 44144240 in words is "forty-four million, one hundred forty-four thousand, two hundred forty".