1444449600 has 378 divisors, whose sum is σ = 5649870590. Its totient is φ = 349747200.

The previous prime is 1444449599. The next prime is 1444449689. The reversal of 1444449600 is 69444441.

1444449600 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 4 + 49 + 600 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 117158976 + 1327290624 = 10824^2 + 36432^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 53 ways as a sum of consecutive naturals, for example, 1741986 + ... + 1742814.

Almost surely, 2^1444449600 is an apocalyptic number.

1444449600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1444449600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2824935295).

1444449600 is an abundant number, since it is smaller than the sum of its proper divisors (4205420990).

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

1444449600 is a wasteful number, since it uses less digits than its factorization.

1444449600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 1444449600 is about 38005.9153290642. The cubic root of 1444449600 is about 1130.4051592271.

The spelling of 1444449600 in words is "one billion, four hundred forty-four million, four hundred forty-nine thousand, six hundred".