44521140 has 48 divisors (see below), whose sum is σ = 125116992. Its totient is φ = 11828736.

The previous prime is 44521109. The next prime is 44521151. The reversal of 44521140 is 4112544.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17212 + ... + 19628.

It is an arithmetic number, because the mean of its divisors is an integer number (2606604).

Almost surely, 2^44521140 is an apocalyptic number.

It is an amenable number.

44521140 is an abundant number, since it is smaller than the sum of its proper divisors (80595852).

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

44521140 is a wasteful number, since it uses less digits than its factorization.

44521140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736 (or 2734 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 44521140 is about 6672.4163539156. The cubic root of 44521140 is about 354.4231589443.

Adding to 44521140 its reverse (4112544), we get a palindrome (48633684).

The spelling of 44521140 in words is "forty-four million, five hundred twenty-one thousand, one hundred forty".