1448273216 has 84 divisors (see below), whose sum is σ = 3129447132. Its totient is φ = 664694784.

The previous prime is 1448273213. The next prime is 1448273227. The reversal of 1448273216 is 6123728441.

It can be written as a sum of positive squares in 6 ways, for example, as 11560000 + 1436713216 = 3400^2 + 37904^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1448273216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448273213) 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 11 ways as a sum of consecutive naturals, for example, 3168860 + ... + 3169316.

It is an arithmetic number, because the mean of its divisors is an integer number (37255323).

Almost surely, 2^1448273216 is an apocalyptic number.

1448273216 is a gapful number since it is divisible by the number (16) 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 1448273216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1564723566).

1448273216 is an abundant number, since it is smaller than the sum of its proper divisors (1681173916).

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

1448273216 is a wasteful number, since it uses less digits than its factorization.

1448273216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 765 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 1448273216 is about 38056.1849900906. The cubic root of 1448273216 is about 1131.4017157569.

The spelling of 1448273216 in words is "one billion, four hundred forty-eight million, two hundred seventy-three thousand, two hundred sixteen".