1449647168 has 56 divisors (see below), whose sum is σ = 2973491640. Its totient is φ = 700743680.

The previous prime is 1449647159. The next prime is 1449647189. The reversal of 1449647168 is 8617469441.

It can be written as a sum of positive squares in 4 ways, for example, as 18386944 + 1431260224 = 4288^2 + 37832^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294068 + ... + 298956.

It is an arithmetic number, because the mean of its divisors is an integer number (53098065).

Almost surely, 2^1449647168 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 1449647168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486745820).

1449647168 is an abundant number, since it is smaller than the sum of its proper divisors (1523844472).

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

1449647168 is a wasteful number, since it uses less digits than its factorization.

1449647168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055 (or 5045 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 1449647168 is about 38074.2323363190. The cubic root of 1449647168 is about 1131.7593831543.

The spelling of 1449647168 in words is "one billion, four hundred forty-nine million, six hundred forty-seven thousand, one hundred sixty-eight".