109550380 has 48 divisors (see below), whose sum is σ = 254197440. Its totient is φ = 39446528.

The previous prime is 109550351. The next prime is 109550381. The reversal of 109550380 is 83055901.

It is not an unprimeable number, because it can be changed into a prime (109550381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816 + ... + 14824.

It is an arithmetic number, because the mean of its divisors is an integer number (5295780).

Almost surely, 2^109550380 is an apocalyptic number.

109550380 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 109550380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127098720).

109550380 is an abundant number, since it is smaller than the sum of its proper divisors (144647060).

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

109550380 is a wasteful number, since it uses less digits than its factorization.

109550380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14058 (or 14056 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 109550380 is about 10466.6317409184. The cubic root of 109550380 is about 478.4882705228.

The spelling of 109550380 in words is "one hundred nine million, five hundred fifty thousand, three hundred eighty".