108379440 has 120 divisors (see below), whose sum is σ = 392006160. Its totient is φ = 26675712.

The previous prime is 108379433. The next prime is 108379451. The reversal of 108379440 is 44973801.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×108379440² = 23492206029427200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 108379395 and 108379404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3571 + ... + 15149.

It is an arithmetic number, because the mean of its divisors is an integer number (3266718).

Almost surely, 2^108379440 is an apocalyptic number.

108379440 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 108379440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196003080).

108379440 is an abundant number, since it is smaller than the sum of its proper divisors (283626720).

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

108379440 is a wasteful number, since it uses less digits than its factorization.

108379440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11611 (or 11602 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 108379440 is about 10410.5446543397. The cubic root of 108379440 is about 476.7773706285. Note that the first 3 decimals are identical.

The spelling of 108379440 in words is "one hundred eight million, three hundred seventy-nine thousand, four hundred forty".