1000444449 has 16 divisors (see below), whose sum is σ = 1410177600. Its totient is φ = 629139456.

The previous prime is 1000444429. The next prime is 1000444453. The reversal of 1000444449 is 9444440001.

It is not a de Polignac number, because 1000444449 - 2¹³ = 1000436257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000444429) 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, 24384 + ... + 50945.

It is an arithmetic number, because the mean of its divisors is an integer number (88136100).

Almost surely, 2^1000444449 is an apocalyptic number.

1000444449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1000444449 is a deficient number, since it is larger than the sum of its proper divisors (409733151).

1000444449 is a wasteful number, since it uses less digits than its factorization.

1000444449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75584.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1000444449 is about 31629.8031767509. The cubic root of 1000444449 is about 1000.1481277238.

The spelling of 1000444449 in words is "one billion, four hundred forty-four thousand, four hundred forty-nine".