1099483840 has 224 divisors, whose sum is σ = 3413418624. Its totient is φ = 327352320.

The previous prime is 1099483817. The next prime is 1099483867. The reversal of 1099483840 is 483849901.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×1099483840² = 2417729428842291200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493930 + ... + 496150.

It is an arithmetic number, because the mean of its divisors is an integer number (15238476).

Almost surely, 2^1099483840 is an apocalyptic number.

1099483840 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 1099483840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706709312).

1099483840 is an abundant number, since it is smaller than the sum of its proper divisors (2313934784).

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

1099483840 is a wasteful number, since it uses less digits than its factorization.

1099483840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275 (or 2265 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1099483840 is about 33158.4655857294. The cubic root of 1099483840 is about 1032.1186290728.

The spelling of 1099483840 in words is "one billion, ninety-nine million, four hundred eighty-three thousand, eight hundred forty".