109448040 has 128 divisors (see below), whose sum is σ = 374492160. Its totient is φ = 25350144.

The previous prime is 109448039. The next prime is 109448041. The reversal of 109448040 is 40844901.

It is an interprime number because it is at equal distance from previous prime (109448039) and next prime (109448041).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 109447989 and 109448007.

It is not an unprimeable number, because it can be changed into a prime (109448041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24457 + ... + 28583.

It is an arithmetic number, because the mean of its divisors is an integer number (2925720).

Almost surely, 2^109448040 is an apocalyptic number.

109448040 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 109448040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187246080).

109448040 is an abundant number, since it is smaller than the sum of its proper divisors (265044120).

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

109448040 is a wasteful number, since it uses less digits than its factorization.

109448040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171 (or 4167 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 109448040 is about 10461.7417287945. The cubic root of 109448040 is about 478.3392257149.

The spelling of 109448040 in words is "one hundred nine million, four hundred forty-eight thousand, forty".