44809999 has 16 divisors (see below), whose sum is σ = 51990400. Its totient is φ = 38265696.

The previous prime is 44809993. The next prime is 44810039. The reversal of 44809999 is 99990844.

It is not a de Polignac number, because 44809999 - 2⁹ = 44809487 is a prime.

It is a Duffinian number.

44809999 is a modest number, since divided by 9999 gives 4480 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44809993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8512 + ... + 12730.

It is an arithmetic number, because the mean of its divisors is an integer number (3249400).

Almost surely, 2^44809999 is an apocalyptic number.

44809999 is a deficient number, since it is larger than the sum of its proper divisors (7180401).

44809999 is a wasteful number, since it uses less digits than its factorization.

44809999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 44809999 is about 6694.0271137784. The cubic root of 44809999 is about 355.1880218032.

The spelling of 44809999 in words is "forty-four million, eight hundred nine thousand, nine hundred ninety-nine".