108105440 has 96 divisors (see below), whose sum is σ = 275425920. Its totient is φ = 39965184.

The previous prime is 108105419. The next prime is 108105509. The reversal of 108105440 is 44501801.

It is a congruent number.

It is an unprimeable number.

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, 130307 + ... + 131133.

It is an arithmetic number, because the mean of its divisors is an integer number (2869020).

Almost surely, 2^108105440 is an apocalyptic number.

108105440 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 108105440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137712960).

108105440 is an abundant number, since it is smaller than the sum of its proper divisors (167320480).

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

108105440 is a wasteful number, since it uses less digits than its factorization.

108105440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 108105440 is about 10397.3765921986. The cubic root of 108105440 is about 476.3752425600.

The spelling of 108105440 in words is "one hundred eight million, one hundred five thousand, four hundred forty".