1488780720 has 360 divisors, whose sum is σ = 6124987440. Its totient is φ = 322237440.

The previous prime is 1488780707. The next prime is 1488780721. The reversal of 1488780720 is 270878841.

It is a tau number, because it is divible by the number of its divisors (360).

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

It is not an unprimeable number, because it can be changed into a prime (1488780721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 669210 + ... + 671430.

It is an arithmetic number, because the mean of its divisors is an integer number (17013854).

Almost surely, 2^1488780720 is an apocalyptic number.

1488780720 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 1488780720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3062493720).

1488780720 is an abundant number, since it is smaller than the sum of its proper divisors (4636206720).

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

1488780720 is a wasteful number, since it uses less digits than its factorization.

1488780720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The square root of 1488780720 is about 38584.7213285259. The cubic root of 1488780720 is about 1141.8531263701.

The spelling of 1488780720 in words is "one billion, four hundred eighty-eight million, seven hundred eighty thousand, seven hundred twenty".