1440448484 has 6 divisors (see below), whose sum is σ = 2520784854. Its totient is φ = 720224240.

The previous prime is 1440448453. The next prime is 1440448487. The reversal of 1440448484 is 4848440441.

It can be written as a sum of positive squares in only one way, i.e., 1438684900 + 1763584 = 37930^2 + 1328^2 .

It is not an unprimeable number, because it can be changed into a prime (1440448487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180056057 + ... + 180056064.

It is an arithmetic number, because the mean of its divisors is an integer number (420130809).

Almost surely, 2^1440448484 is an apocalyptic number.

It is an amenable number.

1440448484 is a deficient number, since it is larger than the sum of its proper divisors (1080336370).

1440448484 is a wasteful number, since it uses less digits than its factorization.

1440448484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360112125 (or 360112123 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 41.

The square root of 1440448484 is about 37953.2407575427. The cubic root of 1440448484 is about 1129.3604557116.

The spelling of 1440448484 in words is "one billion, four hundred forty million, four hundred forty-eight thousand, four hundred eighty-four".