109499880 has 128 divisors (see below), whose sum is σ = 381761280. Its totient is φ = 24606720.

The previous prime is 109499861. The next prime is 109499881. The reversal of 109499880 is 88994901.

It is not an unprimeable number, because it can be changed into a prime (109499881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50172 + ... + 52308.

It is an arithmetic number, because the mean of its divisors is an integer number (2982510).

Almost surely, 2^109499880 is an apocalyptic number.

109499880 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 109499880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190880640).

109499880 is an abundant number, since it is smaller than the sum of its proper divisors (272261400).

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

109499880 is a wasteful number, since it uses less digits than its factorization.

109499880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219 (or 2215 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 109499880 is about 10464.2190344048. The cubic root of 109499880 is about 478.4147354924.

The spelling of 109499880 in words is "one hundred nine million, four hundred ninety-nine thousand, eight hundred eighty".