1489860000 has 480 divisors, whose sum is σ = 5668185600. Its totient is φ = 380160000.

The previous prime is 1489859999. The next prime is 1489860011. The reversal of 1489860000 is 689841.

It is a happy number.

1489860000 is a `hidden beast` number, since 1 + 48 + 9 + 8 + 600 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16739956 + ... + 16740044.

It is an arithmetic number, because the mean of its divisors is an integer number (11808720).

Almost surely, 2^1489860000 is an apocalyptic number.

1489860000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1489860000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2834092800).

1489860000 is an abundant number, since it is smaller than the sum of its proper divisors (4178325600).

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

1489860000 is an equidigital number, since it uses as much as digits as its factorization.

1489860000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1489860000 is about 38598.7046414773. The cubic root of 1489860000 is about 1142.1289855669.

The spelling of 1489860000 in words is "one billion, four hundred eighty-nine million, eight hundred sixty thousand".