108203040 has 432 divisors, whose sum is σ = 439193664. Its totient is φ = 25090560.

The previous prime is 108203027. The next prime is 108203041. The reversal of 108203040 is 40302801.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (108203041) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4704469 + ... + 4704491.

It is an arithmetic number, because the mean of its divisors is an integer number (1016652).

Almost surely, 2^108203040 is an apocalyptic number.

108203040 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 108203040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219596832).

108203040 is an abundant number, since it is smaller than the sum of its proper divisors (330990624).

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

108203040 is a wasteful number, since it uses less digits than its factorization.

108203040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 108203040 is about 10402.0690249584. The cubic root of 108203040 is about 476.5185601663.

Adding to 108203040 its reverse (40302801), we get a palindrome (148505841).

The spelling of 108203040 in words is "one hundred eight million, two hundred three thousand, forty".