1099648960 has 28 divisors (see below), whose sum is σ = 2618539848. Its totient is φ = 439859456.

The previous prime is 1099648937. The next prime is 1099648967. The reversal of 1099648960 is 698469901.

It is a junction number, because it is equal to n+sod(n) for n = 1099648898 and 1099648907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099648967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1717882 + ... + 1718521.

Almost surely, 2^1099648960 is an apocalyptic number.

1099648960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1099648960 is an abundant number, since it is smaller than the sum of its proper divisors (1518890888).

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

1099648960 is an equidigital number, since it uses as much as digits as its factorization.

1099648960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436420 (or 3436410 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 1099648960 is about 33160.9553541511. The cubic root of 1099648960 is about 1032.1702941939.

The spelling of 1099648960 in words is "one billion, ninety-nine million, six hundred forty-eight thousand, nine hundred sixty".