1449878144 has 192 divisors, whose sum is σ = 3608556000. Its totient is φ = 574801920.

The previous prime is 1449878119. The next prime is 1449878147. The reversal of 1449878144 is 4418789441.

It is a junction number, because it is equal to n+sod(n) for n = 1449878092 and 1449878101.

It is not an unprimeable number, because it can be changed into a prime (1449878147) 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 23 ways as a sum of consecutive naturals, for example, 3825347 + ... + 3825725.

Almost surely, 2^1449878144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1449878144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1804278000).

1449878144 is an abundant number, since it is smaller than the sum of its proper divisors (2158677856).

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

1449878144 is a wasteful number, since it uses less digits than its factorization.

1449878144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 424 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 50.

The square root of 1449878144 is about 38077.2654480334. The cubic root of 1449878144 is about 1131.8194886703.

The spelling of 1449878144 in words is "one billion, four hundred forty-nine million, eight hundred seventy-eight thousand, one hundred forty-four".