44444449 has 8 divisors (see below), whose sum is σ = 50984640. Its totient is φ = 37952016.

The previous prime is 44444399. The next prime is 44444453. The reversal of 44444449 is 94444444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44444449 - 2⁷ = 44444321 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (44444459) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9919 + ... + 13684.

It is an arithmetic number, because the mean of its divisors is an integer number (6373080).

Almost surely, 2^44444449 is an apocalyptic number.

It is an amenable number.

44444449 is a deficient number, since it is larger than the sum of its proper divisors (6540191).

44444449 is a wasteful number, since it uses less digits than its factorization.

44444449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23879.

The product of its digits is 147456, while the sum is 37.

The square root of 44444449 is about 6666.6670083333. The cubic root of 44444449 is about 354.2195351634.

The spelling of 44444449 in words is "forty-four million, four hundred forty-four thousand, four hundred forty-nine".