1091824808 has 16 divisors (see below), whose sum is σ = 2048004000. Its totient is φ = 545690416.

The previous prime is 1091824807. The next prime is 1091824817. The reversal of 1091824808 is 8084281901.

It is a super-2 number, since 2×1091824808² = 2384162822728473728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1091824801) 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, 5828 + ... + 47091.

It is an arithmetic number, because the mean of its divisors is an integer number (128000250).

Almost surely, 2^1091824808 is an apocalyptic number.

It is an amenable number.

1091824808 is a deficient number, since it is larger than the sum of its proper divisors (956179192).

1091824808 is a wasteful number, since it uses less digits than its factorization.

1091824808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55504 (or 55500 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 41.

The square root of 1091824808 is about 33042.7724018430. The cubic root of 1091824808 is about 1029.7164544546.

The spelling of 1091824808 in words is "one billion, ninety-one million, eight hundred twenty-four thousand, eight hundred eight".