1489940672 has 28 divisors (see below), whose sum is σ = 3225384456. Its totient is φ = 677245440.

The previous prime is 1489940671. The next prime is 1489940687. The reversal of 1489940672 is 2760499841.

It is a super-3 number, since 3×1489940672³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1489940672.

It is not an unprimeable number, because it can be changed into a prime (1489940671) 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 3 ways as a sum of consecutive naturals, for example, 1057493 + ... + 1058900.

It is an arithmetic number, because the mean of its divisors is an integer number (115192302).

Almost surely, 2^1489940672 is an apocalyptic number.

It is an amenable number.

1489940672 is an abundant number, since it is smaller than the sum of its proper divisors (1735443784).

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

1489940672 is a wasteful number, since it uses less digits than its factorization.

1489940672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116416 (or 2116406 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 1489940672 is about 38599.7496364938. The cubic root of 1489940672 is about 1142.1495996216.

The spelling of 1489940672 in words is "one billion, four hundred eighty-nine million, nine hundred forty thousand, six hundred seventy-two".