1489229280 has 768 divisors, whose sum is σ = 6729246720. Its totient is φ = 301086720.

The previous prime is 1489229279. The next prime is 1489229297. The reversal of 1489229280 is 829229841.

It is a happy number.

1489229280 is a `hidden beast` number, since 1 + 489 + 2 + 2 + 92 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 40249422 + ... + 40249458.

It is an arithmetic number, because the mean of its divisors is an integer number (8762040).

Almost surely, 2^1489229280 is an apocalyptic number.

1489229280 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 1489229280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3364623360).

1489229280 is an abundant number, since it is smaller than the sum of its proper divisors (5240017440).

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

1489229280 is a wasteful number, since it uses less digits than its factorization.

1489229280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1489229280 is about 38590.5335542280. The cubic root of 1489229280 is about 1141.9677925082.

The spelling of 1489229280 in words is "one billion, four hundred eighty-nine million, two hundred twenty-nine thousand, two hundred eighty".