1108408890 has 32 divisors (see below), whose sum is σ = 2800192320. Its totient is φ = 280018944.

The previous prime is 1108408811. The next prime is 1108408897. The reversal of 1108408890 is 988048011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1108408897) 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 15 ways as a sum of consecutive naturals, for example, 971719 + ... + 972858.

It is an arithmetic number, because the mean of its divisors is an integer number (87506010).

Almost surely, 2^1108408890 is an apocalyptic number.

1108408890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1108408890 is an abundant number, since it is smaller than the sum of its proper divisors (1691783430).

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

1108408890 is a wasteful number, since it uses less digits than its factorization.

1108408890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944606.

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 1108408890 is about 33292.7753424072. The cubic root of 1108408890 is about 1034.9038441324.

The spelling of 1108408890 in words is "one billion, one hundred eight million, four hundred eight thousand, eight hundred ninety".