1489382400 has 528 divisors, whose sum is σ = 5628889728. Its totient is φ = 344064000.

The previous prime is 1489382353. The next prime is 1489382429. The reversal of 1489382400 is 42839841.

It is a tau number, because it is divible by the number of its divisors (528).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34636779 + ... + 34636821.

It is an arithmetic number, because the mean of its divisors is an integer number (10660776).

Almost surely, 2^1489382400 is an apocalyptic number.

1489382400 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 1489382400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2814444864).

1489382400 is an abundant number, since it is smaller than the sum of its proper divisors (4139507328).

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

1489382400 is a wasteful number, since it uses less digits than its factorization.

1489382400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1489382400 is about 38592.5174094668. The cubic root of 1489382400 is about 1142.0069295568.

The spelling of 1489382400 in words is "one billion, four hundred eighty-nine million, three hundred eighty-two thousand, four hundred".