1439120648 has 32 divisors (see below), whose sum is σ = 3246139200. Its totient is φ = 584304192.

The previous prime is 1439120609. The next prime is 1439120651. The reversal of 1439120648 is 8460219341.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 675215 + ... + 677342.

It is an arithmetic number, because the mean of its divisors is an integer number (101441850).

Almost surely, 2^1439120648 is an apocalyptic number.

It is an amenable number.

1439120648 is an abundant number, since it is smaller than the sum of its proper divisors (1807018552).

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

1439120648 is a wasteful number, since it uses less digits than its factorization.

1439120648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352589 (or 1352585 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1439120648 is about 37935.7436726895. The cubic root of 1439120648 is about 1129.0133262094.

Adding to 1439120648 its reverse (8460219341), we get a palindrome (9899339989).

The spelling of 1439120648 in words is "one billion, four hundred thirty-nine million, one hundred twenty thousand, six hundred forty-eight".