44649369 has 12 divisors (see below), whose sum is σ = 66067092. Its totient is φ = 29040000.

The previous prime is 44649349. The next prime is 44649379. The reversal of 44649369 is 96394644.

It is a happy number.

44649369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11471769 + 33177600 = 3387^2 + 5760^2 .

It is not a de Polignac number, because 44649369 - 2⁸ = 44649113 is a prime.

It is a super-2 number, since 2×44649369² = 3987132304196322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44649329) 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 11 ways as a sum of consecutive naturals, for example, 60132 + ... + 60869.

It is an arithmetic number, because the mean of its divisors is an integer number (5505591).

Almost surely, 2^44649369 is an apocalyptic number.

It is an amenable number.

44649369 is a deficient number, since it is larger than the sum of its proper divisors (21417723).

44649369 is a wasteful number, since it uses less digits than its factorization.

44649369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121048 (or 121045 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 44649369 is about 6682.0183328093. The cubic root of 44649369 is about 354.7631005596.

It can be divided in two parts, 44649 and 369, that multiplied together give a square (16475481 = 4059²).

The spelling of 44649369 in words is "forty-four million, six hundred forty-nine thousand, three hundred sixty-nine".