44489749 has 4 divisors (see below), whose sum is σ = 44557920. Its totient is φ = 44421580.

The previous prime is 44489723. The next prime is 44489759. The reversal of 44489749 is 94798444.

44489749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44489749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44489759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33097 + ... + 34414.

It is an arithmetic number, because the mean of its divisors is an integer number (11139480).

Almost surely, 2^44489749 is an apocalyptic number.

It is an amenable number.

44489749 is a deficient number, since it is larger than the sum of its proper divisors (68171).

44489749 is an equidigital number, since it uses as much as digits as its factorization.

44489749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68170.

The product of its digits is 1161216, while the sum is 49.

The square root of 44489749 is about 6670.0636428748. The cubic root of 44489749 is about 354.3398403737.

The spelling of 44489749 in words is "forty-four million, four hundred eighty-nine thousand, seven hundred forty-nine".