1489326720 has 128 divisors (see below), whose sum is σ = 5425453440. Its totient is φ = 340414464.

The previous prime is 1489326677. The next prime is 1489326721. The reversal of 1489326720 is 276239841.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1489326721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41967 + ... + 68846.

It is an arithmetic number, because the mean of its divisors is an integer number (42386355).

Almost surely, 2^1489326720 is an apocalyptic number.

1489326720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1489326720 is an abundant number, since it is smaller than the sum of its proper divisors (3936126720).

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

1489326720 is a wasteful number, since it uses less digits than its factorization.

1489326720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110842 (or 110830 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1489326720 is about 38591.7960193614. The cubic root of 1489326720 is about 1141.9926982131.

The spelling of 1489326720 in words is "one billion, four hundred eighty-nine million, three hundred twenty-six thousand, seven hundred twenty".