1099467648 has 128 divisors (see below), whose sum is σ = 3286848000. Its totient is φ = 361760256.

The previous prime is 1099467619. The next prime is 1099467653. The reversal of 1099467648 is 8467649901.

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 (54).

It is a junction number, because it is equal to n+sod(n) for n = 1099467594 and 1099467603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271011 + ... + 275037.

It is an arithmetic number, because the mean of its divisors is an integer number (25678500).

Almost surely, 2^1099467648 is an apocalyptic number.

1099467648 is a gapful number since it is divisible by the number (18) 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 1099467648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643424000).

1099467648 is an abundant number, since it is smaller than the sum of its proper divisors (2187380352).

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

1099467648 is an equidigital number, since it uses as much as digits as its factorization.

1099467648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129 (or 4111 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 1099467648 is about 33158.2214239546. The cubic root of 1099467648 is about 1032.1135624084.

The spelling of 1099467648 in words is "one billion, ninety-nine million, four hundred sixty-seven thousand, six hundred forty-eight".