1491008330 has 16 divisors (see below), whose sum is σ = 3067217280. Its totient is φ = 511202832.

The previous prime is 1491008287. The next prime is 1491008339. The reversal of 1491008330 is 338001941.

It is a junction number, because it is equal to n+sod(n) for n = 1491008293 and 1491008302.

It is not an unprimeable number, because it can be changed into a prime (1491008339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10649990 + ... + 10650129.

It is an arithmetic number, because the mean of its divisors is an integer number (191701080).

Almost surely, 2^1491008330 is an apocalyptic number.

1491008330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1491008330 is an abundant number, since it is smaller than the sum of its proper divisors (1576208950).

1491008330 is a wasteful number, since it uses less digits than its factorization.

1491008330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21300133.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1491008330 is about 38613.5770163812. The cubic root of 1491008330 is about 1142.4223473949.

The spelling of 1491008330 in words is "one billion, four hundred ninety-one million, eight thousand, three hundred thirty".