44749219 has 16 divisors (see below), whose sum is σ = 48623328. Its totient is φ = 41029632.

The previous prime is 44749193. The next prime is 44749223. The reversal of 44749219 is 91294744.

44749219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 44749219 - 2²¹ = 42652067 is a prime.

It is a super-2 number, since 2×44749219² = 4004985202219922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44749279) 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 15 ways as a sum of consecutive naturals, for example, 132619 + ... + 132955.

It is an arithmetic number, because the mean of its divisors is an integer number (3038958).

Almost surely, 2^44749219 is an apocalyptic number.

44749219 is a deficient number, since it is larger than the sum of its proper divisors (3874109).

44749219 is a wasteful number, since it uses less digits than its factorization.

44749219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its digits is 72576, while the sum is 40.

The square root of 44749219 is about 6689.4857051944. The cubic root of 44749219 is about 355.0273575425.

The spelling of 44749219 in words is "forty-four million, seven hundred forty-nine thousand, two hundred nineteen".