1489842280 has 16 divisors (see below), whose sum is σ = 3352145220. Its totient is φ = 595936896.

The previous prime is 1489842271. The next prime is 1489842329. The reversal of 1489842280 is 822489841.

It can be written as a sum of positive squares in 2 ways, for example, as 1481788036 + 8054244 = 38494^2 + 2838^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1489842280.

It is an unprimeable number.

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, 18622989 + ... + 18623068.

Almost surely, 2^1489842280 is an apocalyptic number.

1489842280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1489842280 is an abundant number, since it is smaller than the sum of its proper divisors (1862302940).

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

1489842280 is a wasteful number, since it uses less digits than its factorization.

1489842280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37246068 (or 37246064 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 1489842280 is about 38598.4750994129. The cubic root of 1489842280 is about 1142.1244574891.

The spelling of 1489842280 in words is "one billion, four hundred eighty-nine million, eight hundred forty-two thousand, two hundred eighty".