449736444 has 18 divisors (see below), whose sum is σ = 1136833880. Its totient is φ = 149912136.

The previous prime is 449736401. The next prime is 449736487. The reversal of 449736444 is 444637944.

It is an interprime number because it is at equal distance from previous prime (449736401) and next prime (449736487).

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 449736444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6246304 + ... + 6246375.

Almost surely, 2^449736444 is an apocalyptic number.

It is an amenable number.

449736444 is an abundant number, since it is smaller than the sum of its proper divisors (687097436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449736444 is a wasteful number, since it uses less digits than its factorization.

449736444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12492689 (or 12492684 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 45.

The square root of 449736444 is about 21206.9904512639. The cubic root of 449736444 is about 766.1597991412.

The spelling of 449736444 in words is "four hundred forty-nine million, seven hundred thirty-six thousand, four hundred forty-four".