1449385844 has 12 divisors (see below), whose sum is σ = 2541930468. Its totient is φ = 723120000.

The previous prime is 1449385843. The next prime is 1449385891. The reversal of 1449385844 is 4485839441.

It can be written as a sum of positive squares in 2 ways, for example, as 521574244 + 927811600 = 22838^2 + 30460^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1449385792 and 1449385801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449385841) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 391157 + ... + 394844.

It is an arithmetic number, because the mean of its divisors is an integer number (211827539).

Almost surely, 2^1449385844 is an apocalyptic number.

It is an amenable number.

1449385844 is a deficient number, since it is larger than the sum of its proper divisors (1092544624).

1449385844 is a wasteful number, since it uses less digits than its factorization.

1449385844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786466 (or 786464 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

The square root of 1449385844 is about 38070.8004118642. The cubic root of 1449385844 is about 1131.6913726598.

The spelling of 1449385844 in words is "one billion, four hundred forty-nine million, three hundred eighty-five thousand, eight hundred forty-four".