108239040 has 504 divisors, whose sum is σ = 474299280. Its totient is φ = 22450176.

The previous prime is 108238997. The next prime is 108239059. The reversal of 108239040 is 40932801.

It is a tau number, because it is divible by the number of its divisors (504).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 108238995 and 108239013.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1834531 + ... + 1834589.

It is an arithmetic number, because the mean of its divisors is an integer number (941070).

Almost surely, 2^108239040 is an apocalyptic number.

108239040 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 108239040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237149640).

108239040 is an abundant number, since it is smaller than the sum of its proper divisors (366060240).

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

108239040 is a wasteful number, since it uses less digits than its factorization.

108239040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 108239040 is about 10403.7993060228. The cubic root of 108239040 is about 476.5714014605.

The spelling of 108239040 in words is "one hundred eight million, two hundred thirty-nine thousand, forty".