44640243 has 6 divisors (see below), whose sum is σ = 64480364. Its totient is φ = 29760156.

The previous prime is 44640229. The next prime is 44640259. The reversal of 44640243 is 34204644.

It is not a de Polignac number, because 44640243 - 2⁶ = 44640179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44640203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2480005 + ... + 2480022.

Almost surely, 2^44640243 is an apocalyptic number.

44640243 is a deficient number, since it is larger than the sum of its proper divisors (19840121).

44640243 is a wasteful number, since it uses less digits than its factorization.

44640243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960033 (or 4960030 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 44640243 is about 6681.3354204081. The cubic root of 44640243 is about 354.7389285968.

Adding to 44640243 its reverse (34204644), we get a palindrome (78844887).

The spelling of 44640243 in words is "forty-four million, six hundred forty thousand, two hundred forty-three".