44109540 has 72 divisors (see below), whose sum is σ = 134604288. Its totient is φ = 11691840.

The previous prime is 44109539. The next prime is 44109553. The reversal of 44109540 is 4590144.

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 23 ways as a sum of consecutive naturals, for example, 33739 + ... + 35021.

It is an arithmetic number, because the mean of its divisors is an integer number (1869504).

Almost surely, 2^44109540 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 44109540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67302144).

44109540 is an abundant number, since it is smaller than the sum of its proper divisors (90494748).

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

44109540 is a wasteful number, since it uses less digits than its factorization.

44109540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 44109540 is about 6641.5013362944. The cubic root of 44109540 is about 353.3275561731.

Adding to 44109540 its reverse (4590144), we get a palindrome (48699684).

The spelling of 44109540 in words is "forty-four million, one hundred nine thousand, five hundred forty".